[libc++] Remove obsolete _LIBCPP_PREDEFINED_OBJC_ARC_ADDRESSOF#112745

ldionne merged 1 commit intollvm:mainllvm/llvm-project:mainfrom

ldionne:review/remove-PREDEFINED_OBJC_ARC_ADDRESSOFldionne/llvm-project:review/remove-PREDEFINED_OBJC_ARC_ADDRESSOFCopy head branch name to clipboard