llvm-project

8eac375a - Revert "[CGObjC] Allow clang.arc.attachedcall on -O0 (#164875)"

Revert "[CGObjC] Allow clang.arc.attachedcall on -O0 (#164875)" This reverts commit 5c29b64fda6a5a66e09378eec9f28a42066a7c6a. This was causing failures at HEAD on x86-64 Linux.