xbolva00 added inline comments.
================
Comment at: cfe/trunk/lib/Frontend/CompilerInvocation.cpp:3457
+ if (Diags.isIgnored(diag::warn_profile_data_misexpect, SourceLocation()))
+ Res.FrontendOpts.LLVMArgs.push_back("-pgo-warn-misexpect");
+
----------------
rnk wrote:
> Clang generally tries to avoid relying on LLVM option parsing if at all
> possible. It is not thread-safe, among other things. This causes essentially
> every compile to call `llvm::cl::ParseCommandLineOptions`, when previously it
> would only happen if the user passed unstable -mllvm flags.
And it is buggy, if you add "!" as a fix, there are many test failures...
http://45.33.8.238/linux/18098/step_7.txt
Repository:
rL LLVM
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D66324/new/
https://reviews.llvm.org/D66324
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