compiler_wrapper: add -fexperimental-new-pass-manager

LLVM is currently build with DENABLE_EXPERIMENTAL_NEW_PASS_MANAGER=ON on
Chrome OS. This is however not reflected in clang crash diagnoses.
Adding -fexperimental-new-pass-manager to help with reproducibility on
4c.

BUG=chromium:1111103

TEST=CQ tests.

Change-Id: Ie01431dff397e982469e29c9132e21374354762d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/2327414
Reviewed-by: George Burgess <gbiv@chromium.org>
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
Tested-by: Jian Cai <jiancai@google.com>
diff --git a/compiler_wrapper/config.go b/compiler_wrapper/config.go
index 0fc7336..546a0e1 100644
--- a/compiler_wrapper/config.go
+++ b/compiler_wrapper/config.go
@@ -136,6 +136,7 @@
 		"-Wno-final-dtor-non-final-class",
 		"-Werror=poison-system-directories",
 		"-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+		"-fexperimental-new-pass-manager",
 	},
 	clangPostFlags: []string{
 		"-Wno-implicit-int-float-conversion",
@@ -167,6 +168,7 @@
 		"-Wno-final-dtor-non-final-class",
 		"-Werror=poison-system-directories",
 		"-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+		"-fexperimental-new-pass-manager",
 	},
 	clangPostFlags: []string{
 		"-Wno-implicit-int-float-conversion",
@@ -204,6 +206,7 @@
 		"-Werror=poison-system-directories",
 		"-Wno-unknown-warning-option",
 		"-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+		"-fexperimental-new-pass-manager",
 	},
 	clangPostFlags: []string{
 		"-Wno-implicit-int-float-conversion",
diff --git a/compiler_wrapper/testdata/cros_clang_host_golden/bisect.json b/compiler_wrapper/testdata/cros_clang_host_golden/bisect.json
index ebc55d4..c40faf6 100644
--- a/compiler_wrapper/testdata/cros_clang_host_golden/bisect.json
+++ b/compiler_wrapper/testdata/cros_clang_host_golden/bisect.json
@@ -36,6 +36,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ],
@@ -84,6 +85,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ],
@@ -135,6 +137,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ],
diff --git a/compiler_wrapper/testdata/cros_clang_host_golden/clang_ftrapv_maincc_target_specific.json b/compiler_wrapper/testdata/cros_clang_host_golden/clang_ftrapv_maincc_target_specific.json
index 786be38..2870f96 100644
--- a/compiler_wrapper/testdata/cros_clang_host_golden/clang_ftrapv_maincc_target_specific.json
+++ b/compiler_wrapper/testdata/cros_clang_host_golden/clang_ftrapv_maincc_target_specific.json
@@ -27,6 +27,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -62,6 +63,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -97,6 +99,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -132,6 +135,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -167,6 +171,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -202,6 +207,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -237,6 +243,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -272,6 +279,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -307,6 +315,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
diff --git a/compiler_wrapper/testdata/cros_clang_host_golden/clang_host_wrapper.json b/compiler_wrapper/testdata/cros_clang_host_golden/clang_host_wrapper.json
index 813f9c3..3bae070 100644
--- a/compiler_wrapper/testdata/cros_clang_host_golden/clang_host_wrapper.json
+++ b/compiler_wrapper/testdata/cros_clang_host_golden/clang_host_wrapper.json
@@ -26,6 +26,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
diff --git a/compiler_wrapper/testdata/cros_clang_host_golden/clang_maincc_target_specific.json b/compiler_wrapper/testdata/cros_clang_host_golden/clang_maincc_target_specific.json
index 11bb939..b804802 100644
--- a/compiler_wrapper/testdata/cros_clang_host_golden/clang_maincc_target_specific.json
+++ b/compiler_wrapper/testdata/cros_clang_host_golden/clang_maincc_target_specific.json
@@ -26,6 +26,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -60,6 +61,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -94,6 +96,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -128,6 +131,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -162,6 +166,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -196,6 +201,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -230,6 +236,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -264,6 +271,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -298,6 +306,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
diff --git a/compiler_wrapper/testdata/cros_clang_host_golden/clang_path.json b/compiler_wrapper/testdata/cros_clang_host_golden/clang_path.json
index 04f1a73..8eb8d5a 100644
--- a/compiler_wrapper/testdata/cros_clang_host_golden/clang_path.json
+++ b/compiler_wrapper/testdata/cros_clang_host_golden/clang_path.json
@@ -26,6 +26,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -63,6 +64,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -100,6 +102,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -137,6 +140,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -181,6 +185,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-resource-dir=someResourceDir",
             "--gcc-toolchain=/usr",
             "main.cc",
@@ -230,6 +235,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-resource-dir=someResourceDir",
             "--gcc-toolchain=/usr",
             "main.cc",
@@ -279,6 +285,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-resource-dir=someResourceDir",
             "--gcc-toolchain=/usr",
             "main.cc",
@@ -318,6 +325,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -352,6 +360,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -386,6 +395,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -420,6 +430,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -457,6 +468,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
diff --git a/compiler_wrapper/testdata/cros_clang_host_golden/clang_sanitizer_args.json b/compiler_wrapper/testdata/cros_clang_host_golden/clang_sanitizer_args.json
index 6ba5c97..8dc90e2 100644
--- a/compiler_wrapper/testdata/cros_clang_host_golden/clang_sanitizer_args.json
+++ b/compiler_wrapper/testdata/cros_clang_host_golden/clang_sanitizer_args.json
@@ -28,6 +28,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fsanitize=kernel-address",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
@@ -65,6 +66,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fsanitize=kernel-address",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
@@ -102,6 +104,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fsanitize=kernel-address",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
@@ -139,6 +142,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fsanitize=kernel-address",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
@@ -175,6 +179,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fno-experimental-new-pass-manager",
             "-fsanitize=fuzzer",
             "main.cc",
@@ -213,6 +218,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fno-experimental-new-pass-manager",
             "-fsanitize=address",
             "-fprofile-instr-generate",
@@ -251,6 +257,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fsanitize=address",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
@@ -287,6 +294,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fprofile-instr-generate",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
diff --git a/compiler_wrapper/testdata/cros_clang_host_golden/clang_specific_args.json b/compiler_wrapper/testdata/cros_clang_host_golden/clang_specific_args.json
index 2af3666..02e3cec 100644
--- a/compiler_wrapper/testdata/cros_clang_host_golden/clang_specific_args.json
+++ b/compiler_wrapper/testdata/cros_clang_host_golden/clang_specific_args.json
@@ -37,6 +37,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -72,6 +73,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-Wno-#warnings",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
@@ -108,6 +110,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-Wno-error=uninitialized",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
@@ -144,6 +147,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-Wno-error=unused-variable",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
@@ -180,6 +184,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-Wno-unused-variable",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
@@ -216,6 +221,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-Wunused-variable",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
@@ -252,6 +258,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-someflag",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
diff --git a/compiler_wrapper/testdata/cros_clang_host_golden/clangtidy.json b/compiler_wrapper/testdata/cros_clang_host_golden/clangtidy.json
index 2802224..44c58f8 100644
--- a/compiler_wrapper/testdata/cros_clang_host_golden/clangtidy.json
+++ b/compiler_wrapper/testdata/cros_clang_host_golden/clangtidy.json
@@ -42,6 +42,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -63,6 +64,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -114,6 +116,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -135,6 +138,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -188,6 +192,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -212,6 +217,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -266,6 +272,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -287,6 +294,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
diff --git a/compiler_wrapper/testdata/cros_clang_host_golden/force_disable_werror.json b/compiler_wrapper/testdata/cros_clang_host_golden/force_disable_werror.json
index 2cb74e9..fb85401 100644
--- a/compiler_wrapper/testdata/cros_clang_host_golden/force_disable_werror.json
+++ b/compiler_wrapper/testdata/cros_clang_host_golden/force_disable_werror.json
@@ -29,6 +29,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -66,6 +67,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -89,6 +91,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-Wno-error",
@@ -130,6 +133,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion"
           ]
@@ -153,6 +157,7 @@
             "-Werror=poison-system-directories",
             "-Wno-unknown-warning-option",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-Wno-error",
diff --git a/compiler_wrapper/testdata/cros_hardened_golden/bisect.json b/compiler_wrapper/testdata/cros_hardened_golden/bisect.json
index 3662478..2302669 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/bisect.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/bisect.json
@@ -38,6 +38,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -99,6 +100,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -163,6 +165,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
diff --git a/compiler_wrapper/testdata/cros_hardened_golden/clang_ftrapv_maincc_target_specific.json b/compiler_wrapper/testdata/cros_hardened_golden/clang_ftrapv_maincc_target_specific.json
index e7eab20..49ac564 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/clang_ftrapv_maincc_target_specific.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/clang_ftrapv_maincc_target_specific.json
@@ -29,6 +29,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -80,6 +81,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -131,6 +133,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -182,6 +185,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -233,6 +237,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -284,6 +289,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -335,6 +341,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -386,6 +393,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -437,6 +445,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
diff --git a/compiler_wrapper/testdata/cros_hardened_golden/clang_maincc_target_specific.json b/compiler_wrapper/testdata/cros_hardened_golden/clang_maincc_target_specific.json
index 786d332..6fc2b8e 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/clang_maincc_target_specific.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/clang_maincc_target_specific.json
@@ -28,6 +28,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -77,6 +78,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -126,6 +128,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -175,6 +178,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -224,6 +228,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -273,6 +278,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -322,6 +328,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -371,6 +378,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -420,6 +428,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
diff --git a/compiler_wrapper/testdata/cros_hardened_golden/clang_path.json b/compiler_wrapper/testdata/cros_hardened_golden/clang_path.json
index 1fe980a..6ba05ab 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/clang_path.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/clang_path.json
@@ -28,6 +28,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -80,6 +81,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -132,6 +134,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -184,6 +187,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -243,6 +247,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -307,6 +312,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -366,6 +372,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -420,6 +427,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -469,6 +477,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -518,6 +527,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -567,6 +577,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -619,6 +630,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
diff --git a/compiler_wrapper/testdata/cros_hardened_golden/clang_sanitizer_args.json b/compiler_wrapper/testdata/cros_hardened_golden/clang_sanitizer_args.json
index 0a94e86..a9bd08c 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/clang_sanitizer_args.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/clang_sanitizer_args.json
@@ -30,6 +30,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -81,6 +82,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -132,6 +134,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -183,6 +186,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -233,6 +237,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -285,6 +290,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -337,6 +343,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -387,6 +394,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
diff --git a/compiler_wrapper/testdata/cros_hardened_golden/clang_specific_args.json b/compiler_wrapper/testdata/cros_hardened_golden/clang_specific_args.json
index 5add66f..0535df1 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/clang_specific_args.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/clang_specific_args.json
@@ -39,6 +39,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -89,6 +90,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -140,6 +142,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -191,6 +194,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -242,6 +246,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -293,6 +298,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -344,6 +350,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
diff --git a/compiler_wrapper/testdata/cros_hardened_golden/clang_sysroot_wrapper_common.json b/compiler_wrapper/testdata/cros_hardened_golden/clang_sysroot_wrapper_common.json
index f30920d..306873c 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/clang_sysroot_wrapper_common.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/clang_sysroot_wrapper_common.json
@@ -63,6 +63,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -115,6 +116,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -160,6 +162,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-D_FORTIFY_SOURCE=2",
             "-fno-omit-frame-pointer",
@@ -208,6 +211,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-D_FORTIFY_SOURCE=2",
             "-fno-omit-frame-pointer",
             "-fno-stack-protector",
@@ -257,6 +261,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-D_FORTIFY_SOURCE=2",
             "-mthumb",
             "-fno-stack-protector",
@@ -305,6 +310,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
diff --git a/compiler_wrapper/testdata/cros_hardened_golden/clangtidy.json b/compiler_wrapper/testdata/cros_hardened_golden/clangtidy.json
index eae5c3d..5964245 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/clangtidy.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/clangtidy.json
@@ -43,6 +43,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -73,6 +74,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -133,6 +135,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -164,6 +167,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -226,6 +230,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -260,6 +265,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -323,6 +329,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -354,6 +361,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
diff --git a/compiler_wrapper/testdata/cros_hardened_golden/force_disable_werror.json b/compiler_wrapper/testdata/cros_hardened_golden/force_disable_werror.json
index d415fb7..23cb8f5 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/force_disable_werror.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/force_disable_werror.json
@@ -31,6 +31,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -83,6 +84,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -121,6 +123,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -177,6 +180,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -215,6 +219,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
diff --git a/compiler_wrapper/testdata/cros_hardened_golden/gcc_clang_syntax.json b/compiler_wrapper/testdata/cros_hardened_golden/gcc_clang_syntax.json
index 576f4b6..9cf7ab2 100644
--- a/compiler_wrapper/testdata/cros_hardened_golden/gcc_clang_syntax.json
+++ b/compiler_wrapper/testdata/cros_hardened_golden/gcc_clang_syntax.json
@@ -28,6 +28,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -101,6 +102,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -169,6 +171,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -221,6 +224,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
diff --git a/compiler_wrapper/testdata/cros_hardened_llvmnext_golden/bisect.json b/compiler_wrapper/testdata/cros_hardened_llvmnext_golden/bisect.json
index 3662478..2302669 100644
--- a/compiler_wrapper/testdata/cros_hardened_llvmnext_golden/bisect.json
+++ b/compiler_wrapper/testdata/cros_hardened_llvmnext_golden/bisect.json
@@ -38,6 +38,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -99,6 +100,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -163,6 +165,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
diff --git a/compiler_wrapper/testdata/cros_hardened_llvmnext_golden/clang_path.json b/compiler_wrapper/testdata/cros_hardened_llvmnext_golden/clang_path.json
index 1fe980a..6ba05ab 100644
--- a/compiler_wrapper/testdata/cros_hardened_llvmnext_golden/clang_path.json
+++ b/compiler_wrapper/testdata/cros_hardened_llvmnext_golden/clang_path.json
@@ -28,6 +28,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -80,6 +81,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -132,6 +134,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -184,6 +187,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -243,6 +247,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -307,6 +312,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -366,6 +372,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -420,6 +427,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -469,6 +477,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -518,6 +527,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -567,6 +577,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -619,6 +630,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
diff --git a/compiler_wrapper/testdata/cros_hardened_llvmnext_golden/clangtidy.json b/compiler_wrapper/testdata/cros_hardened_llvmnext_golden/clangtidy.json
index eae5c3d..5964245 100644
--- a/compiler_wrapper/testdata/cros_hardened_llvmnext_golden/clangtidy.json
+++ b/compiler_wrapper/testdata/cros_hardened_llvmnext_golden/clangtidy.json
@@ -43,6 +43,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -73,6 +74,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -133,6 +135,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -164,6 +167,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -226,6 +230,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -260,6 +265,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -323,6 +329,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -354,6 +361,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
diff --git a/compiler_wrapper/testdata/cros_hardened_llvmnext_golden/force_disable_werror.json b/compiler_wrapper/testdata/cros_hardened_llvmnext_golden/force_disable_werror.json
index d415fb7..23cb8f5 100644
--- a/compiler_wrapper/testdata/cros_hardened_llvmnext_golden/force_disable_werror.json
+++ b/compiler_wrapper/testdata/cros_hardened_llvmnext_golden/force_disable_werror.json
@@ -31,6 +31,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -83,6 +84,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -121,6 +123,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -177,6 +180,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -215,6 +219,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
diff --git a/compiler_wrapper/testdata/cros_hardened_llvmnext_golden/gcc_clang_syntax.json b/compiler_wrapper/testdata/cros_hardened_llvmnext_golden/gcc_clang_syntax.json
index 576f4b6..9cf7ab2 100644
--- a/compiler_wrapper/testdata/cros_hardened_llvmnext_golden/gcc_clang_syntax.json
+++ b/compiler_wrapper/testdata/cros_hardened_llvmnext_golden/gcc_clang_syntax.json
@@ -28,6 +28,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -101,6 +102,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -169,6 +171,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -221,6 +224,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
diff --git a/compiler_wrapper/testdata/cros_hardened_noccache_golden/bisect.json b/compiler_wrapper/testdata/cros_hardened_noccache_golden/bisect.json
index f31bbe9..48b2852 100644
--- a/compiler_wrapper/testdata/cros_hardened_noccache_golden/bisect.json
+++ b/compiler_wrapper/testdata/cros_hardened_noccache_golden/bisect.json
@@ -37,6 +37,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -94,6 +95,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -154,6 +156,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
diff --git a/compiler_wrapper/testdata/cros_hardened_noccache_golden/clang_path.json b/compiler_wrapper/testdata/cros_hardened_noccache_golden/clang_path.json
index b2cdeb4..e5c37c8 100644
--- a/compiler_wrapper/testdata/cros_hardened_noccache_golden/clang_path.json
+++ b/compiler_wrapper/testdata/cros_hardened_noccache_golden/clang_path.json
@@ -27,6 +27,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -73,6 +74,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -119,6 +121,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -165,6 +168,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -218,6 +222,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -277,6 +282,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -335,6 +341,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -383,6 +390,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -426,6 +434,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -469,6 +478,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -512,6 +522,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -558,6 +569,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
diff --git a/compiler_wrapper/testdata/cros_hardened_noccache_golden/clangtidy.json b/compiler_wrapper/testdata/cros_hardened_noccache_golden/clangtidy.json
index eae5c3d..5964245 100644
--- a/compiler_wrapper/testdata/cros_hardened_noccache_golden/clangtidy.json
+++ b/compiler_wrapper/testdata/cros_hardened_noccache_golden/clangtidy.json
@@ -43,6 +43,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -73,6 +74,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -133,6 +135,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -164,6 +167,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -226,6 +230,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -260,6 +265,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -323,6 +329,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -354,6 +361,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
diff --git a/compiler_wrapper/testdata/cros_hardened_noccache_golden/force_disable_werror.json b/compiler_wrapper/testdata/cros_hardened_noccache_golden/force_disable_werror.json
index d01ceac..9510bfc 100644
--- a/compiler_wrapper/testdata/cros_hardened_noccache_golden/force_disable_werror.json
+++ b/compiler_wrapper/testdata/cros_hardened_noccache_golden/force_disable_werror.json
@@ -30,6 +30,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -76,6 +77,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -108,6 +110,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -158,6 +161,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -190,6 +194,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
diff --git a/compiler_wrapper/testdata/cros_hardened_noccache_golden/gcc_clang_syntax.json b/compiler_wrapper/testdata/cros_hardened_noccache_golden/gcc_clang_syntax.json
index e9f5e64..723c03c 100644
--- a/compiler_wrapper/testdata/cros_hardened_noccache_golden/gcc_clang_syntax.json
+++ b/compiler_wrapper/testdata/cros_hardened_noccache_golden/gcc_clang_syntax.json
@@ -28,6 +28,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -96,6 +97,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -164,6 +166,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
@@ -216,6 +219,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fstack-protector-strong",
             "-fPIE",
             "-pie",
diff --git a/compiler_wrapper/testdata/cros_nonhardened_golden/bisect.json b/compiler_wrapper/testdata/cros_nonhardened_golden/bisect.json
index 4002d2f..06f5420 100644
--- a/compiler_wrapper/testdata/cros_nonhardened_golden/bisect.json
+++ b/compiler_wrapper/testdata/cros_nonhardened_golden/bisect.json
@@ -35,6 +35,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -88,6 +89,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -144,6 +146,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
diff --git a/compiler_wrapper/testdata/cros_nonhardened_golden/clang_ftrapv_maincc_target_specific.json b/compiler_wrapper/testdata/cros_nonhardened_golden/clang_ftrapv_maincc_target_specific.json
index 3946b2b..bf851e4 100644
--- a/compiler_wrapper/testdata/cros_nonhardened_golden/clang_ftrapv_maincc_target_specific.json
+++ b/compiler_wrapper/testdata/cros_nonhardened_golden/clang_ftrapv_maincc_target_specific.json
@@ -26,6 +26,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-ftrapv",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
@@ -69,6 +70,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-ftrapv",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
@@ -112,6 +114,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-ftrapv",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
@@ -155,6 +158,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-mthumb",
             "-ftrapv",
             "main.cc",
@@ -199,6 +203,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-ftrapv",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
@@ -242,6 +247,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-mthumb",
             "-ftrapv",
             "main.cc",
@@ -286,6 +292,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-mthumb",
             "-ftrapv",
             "main.cc",
@@ -330,6 +337,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-ftrapv",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
@@ -373,6 +381,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-mthumb",
             "-ftrapv",
             "main.cc",
diff --git a/compiler_wrapper/testdata/cros_nonhardened_golden/clang_maincc_target_specific.json b/compiler_wrapper/testdata/cros_nonhardened_golden/clang_maincc_target_specific.json
index d0e8c52..06abf6e 100644
--- a/compiler_wrapper/testdata/cros_nonhardened_golden/clang_maincc_target_specific.json
+++ b/compiler_wrapper/testdata/cros_nonhardened_golden/clang_maincc_target_specific.json
@@ -25,6 +25,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -66,6 +67,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -107,6 +109,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -148,6 +151,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-mthumb",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
@@ -190,6 +194,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -231,6 +236,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-mthumb",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
@@ -273,6 +279,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-mthumb",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
@@ -315,6 +322,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -356,6 +364,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-mthumb",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
diff --git a/compiler_wrapper/testdata/cros_nonhardened_golden/clang_path.json b/compiler_wrapper/testdata/cros_nonhardened_golden/clang_path.json
index b224b95..ce07111 100644
--- a/compiler_wrapper/testdata/cros_nonhardened_golden/clang_path.json
+++ b/compiler_wrapper/testdata/cros_nonhardened_golden/clang_path.json
@@ -25,6 +25,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -69,6 +70,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -113,6 +115,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -157,6 +160,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -208,6 +212,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-resource-dir=someResourceDir",
             "--gcc-toolchain=/usr",
             "main.cc",
@@ -264,6 +269,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-resource-dir=someResourceDir",
             "--gcc-toolchain=/usr",
             "main.cc",
@@ -315,6 +321,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-resource-dir=someResourceDir",
             "--gcc-toolchain=/usr",
             "main.cc",
@@ -361,6 +368,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -402,6 +410,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-Ba/b/bin",
@@ -443,6 +452,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-Ba/b/bin",
@@ -484,6 +494,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -528,6 +539,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
diff --git a/compiler_wrapper/testdata/cros_nonhardened_golden/clang_sanitizer_args.json b/compiler_wrapper/testdata/cros_nonhardened_golden/clang_sanitizer_args.json
index 609bec3..3a29fb7 100644
--- a/compiler_wrapper/testdata/cros_nonhardened_golden/clang_sanitizer_args.json
+++ b/compiler_wrapper/testdata/cros_nonhardened_golden/clang_sanitizer_args.json
@@ -27,6 +27,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fsanitize=kernel-address",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
@@ -71,6 +72,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fsanitize=kernel-address",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
@@ -115,6 +117,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fsanitize=kernel-address",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
@@ -159,6 +162,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fsanitize=kernel-address",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
@@ -202,6 +206,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fno-experimental-new-pass-manager",
             "-fsanitize=fuzzer",
             "main.cc",
@@ -247,6 +252,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fno-experimental-new-pass-manager",
             "-fsanitize=address",
             "-fprofile-instr-generate",
@@ -292,6 +298,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fsanitize=address",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
@@ -335,6 +342,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fprofile-instr-generate",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
diff --git a/compiler_wrapper/testdata/cros_nonhardened_golden/clang_specific_args.json b/compiler_wrapper/testdata/cros_nonhardened_golden/clang_specific_args.json
index e84e149..dc5b53a 100644
--- a/compiler_wrapper/testdata/cros_nonhardened_golden/clang_specific_args.json
+++ b/compiler_wrapper/testdata/cros_nonhardened_golden/clang_specific_args.json
@@ -36,6 +36,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -78,6 +79,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-Wno-#warnings",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
@@ -121,6 +123,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-Wno-error=uninitialized",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
@@ -164,6 +167,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-Wno-error=unused-variable",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
@@ -207,6 +211,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-Wno-unused-variable",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
@@ -250,6 +255,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-Wunused-variable",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
@@ -293,6 +299,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-someflag",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
diff --git a/compiler_wrapper/testdata/cros_nonhardened_golden/clang_sysroot_wrapper_common.json b/compiler_wrapper/testdata/cros_nonhardened_golden/clang_sysroot_wrapper_common.json
index 9c90d35..a2ac55b 100644
--- a/compiler_wrapper/testdata/cros_nonhardened_golden/clang_sysroot_wrapper_common.json
+++ b/compiler_wrapper/testdata/cros_nonhardened_golden/clang_sysroot_wrapper_common.json
@@ -56,6 +56,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -100,6 +101,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -137,6 +139,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -179,6 +182,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-fno-stack-protector",
             "-D__KERNEL__",
             "main.cc",
@@ -223,6 +227,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "-mthumb",
             "-fno-stack-protector",
             "-D__KERNEL__",
@@ -267,6 +272,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "--sysroot=xyz",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
diff --git a/compiler_wrapper/testdata/cros_nonhardened_golden/clangtidy.json b/compiler_wrapper/testdata/cros_nonhardened_golden/clangtidy.json
index c340e89..2e73f74 100644
--- a/compiler_wrapper/testdata/cros_nonhardened_golden/clangtidy.json
+++ b/compiler_wrapper/testdata/cros_nonhardened_golden/clangtidy.json
@@ -40,6 +40,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -62,6 +63,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -114,6 +116,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -137,6 +140,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -191,6 +195,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -217,6 +222,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -272,6 +278,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -295,6 +302,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
diff --git a/compiler_wrapper/testdata/cros_nonhardened_golden/force_disable_werror.json b/compiler_wrapper/testdata/cros_nonhardened_golden/force_disable_werror.json
index 2ddb351..e4bc550 100644
--- a/compiler_wrapper/testdata/cros_nonhardened_golden/force_disable_werror.json
+++ b/compiler_wrapper/testdata/cros_nonhardened_golden/force_disable_werror.json
@@ -28,6 +28,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -72,6 +73,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -102,6 +104,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -150,6 +153,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -180,6 +184,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
diff --git a/compiler_wrapper/testdata/cros_nonhardened_golden/gcc_clang_syntax.json b/compiler_wrapper/testdata/cros_nonhardened_golden/gcc_clang_syntax.json
index d21d217..a3cabd8 100644
--- a/compiler_wrapper/testdata/cros_nonhardened_golden/gcc_clang_syntax.json
+++ b/compiler_wrapper/testdata/cros_nonhardened_golden/gcc_clang_syntax.json
@@ -25,6 +25,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -86,6 +87,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -142,6 +144,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",
@@ -186,6 +189,7 @@
             "-Wno-final-dtor-non-final-class",
             "-Werror=poison-system-directories",
             "-fcrash-diagnostics-dir=/tmp/clang_crash_diagnostics",
+            "-fexperimental-new-pass-manager",
             "main.cc",
             "-Wno-implicit-int-float-conversion",
             "-B../../bin",