[libc++][hardening] Add an experimental function to log hardening errors#149452

ldionne merged 4 commits intollvm:mainllvm/llvm-project:mainfrom

var-const:varconst/hardening-semantics-log_hardening_failure-2var-const/llvm-project:varconst/hardening-semantics-log_hardening_failure-2Copy head branch name to clipboard