[clang] [clang-tools-extra] [compiler-rt] [flang] [libcxx] [libcxxabi] [lld] [lldb] [llvm] [Inclusive Language] migrate "sanity" checks to "soundness" checks (PR #156995)

[Louis Dionne via llvm-commits]

ldionne wrote:

I'm going to close this to clean up review queues. We've agreed that this should be done as separate patches (depending on the RFC result), so let's reopen new PRs if we decide to move forward with this.

https://github.com/llvm/llvm-project/pull/156995