[PATCH] D38859: [clang] Enable clang build with LLVM_BUILD_INSTRUMENTED without setting LLVM_PROFTDATA

[Vedant Kumar via Phabricator via cfe-commits]

vsk added a comment.

llvm-profdata is tightly coupled with the host compiler: while this setup may work if you get lucky, I don't think it's resilient to changes in libProfData. Also, using the instrumented llvm-profdata will be slow and create extra profiles.

As an alternative, have you considered building an llvm-profdata compatible with your host compiler in a separate step?


Repository:
  rL LLVM

https://reviews.llvm.org/D38859