__clang_major__    71 lib/intprops-internal.h #if (2 <= __GNUC__ || (4 <= __clang_major__) || (1210 <= __IBMC__ && defined __IBM__TYPEOF__)      \
__clang_major__   110 lib/intprops-internal.h #if defined __clang_major__ && __clang_major__ < 14