ZequanWu wrote: Hi. this change caused chromium windows pgo build to fail: https://g-issues.chromium.org/issues/373478548 and we see the profile runtime error message: ``` LLVM Profile Error: Invalid profile data to merge LLVM Profile Error: Profile Merging of file default_16487515506031793746_0.profraw failed: File exists LLVM Profile Error: Failed to write file "default_16487515506031793746_0.profraw": File exists ```
Looks like profile writing race condition. Though this change touched compiler-rt/lib/profile/InstrProfilingUtil.c, I don't see how this will affect windows. https://github.com/llvm/llvm-project/pull/111332 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
