[flang-commits] [flang] [flang] Fix finding system install of LLVM/Clang/MLIR in standalone builds (PR #120914)

[Michał Górny via flang-commits]

mgorny wrote:

Now I'm confused. https://lab.llvm.org/buildbot/#/builders/53/builds/10577 seems to be building, yet I don't see any relevant changes?

https://github.com/llvm/llvm-project/pull/120914