[PATCH] D64817: [CMake] Fix LLVM build non-determinism on RHEL

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

I think it might be better checking `${CMAKE_RANLIB} rD t.a` works, because the user may specify llvm-ar as CMAKE_RANLIB.


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D64817/new/

https://reviews.llvm.org/D64817