| diff --git a/llvm_profile_writer.cc b/llvm_profile_writer.cc |
| index 1431e9f..00cba1f 100644 |
| --- a/llvm_profile_writer.cc |
| +++ b/llvm_profile_writer.cc |
| @@ -97,7 +97,7 @@ void LLVMProfileBuilder::VisitCallsite(const Callsite &callsite) { |
| auto CalleeName = GetNameRef(Symbol::Name(callsite.second)); |
| auto &callee_profile = |
| caller_profile.functionSamplesAt(llvm::sampleprof::LineLocation( |
| - line, discriminator))[CalleeName]; |
| + line, discriminator))[std::string(CalleeName)]; |
| callee_profile.setName(CalleeName); |
| inline_stack_.push_back(&callee_profile); |
| } |
