[llvm-branch-commits] [libcxx] release/21.x: [libc++][hardening] Add an experimental function to log hardening errors (#149452) (PR #150481)

[Louis Dionne via llvm-branch-commits]

ldionne wrote:

The rationale for cherry-picking this "feature" into the release is that we want to gain experience with this and be able to ship a robust version of this in the next release, non-experimentally.

https://github.com/llvm/llvm-project/pull/150481