release/21.x: [clang][PAC] Fix builtins that claim address discriminated types are bitwise compatible (#154490) #155513

tru merged 1 commit intorelease/21.xllvm/llvm-project:release/21.xfrom

users/ojhunt/backport-154394-to-llvm21llvm/llvm-project:users/ojhunt/backport-154394-to-llvm21Copy head branch name to clipboard