llvm-project

9f283bfb - Revert "fix bug that undefined internal is a warning only for -pedantic-errors (#98016)"

Revert "fix bug that undefined internal is a warning only for -pedantic-errors (#98016)" This reverts commit e16882fc7416a30d56d5b5a19d549ca7c653e668. Broken bots: https://lab.llvm.org/buildbot/#/builders/144/builds/2080