https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86215
--- Comment #2 from simon at pushface dot org --- (In reply to simon from comment #1) Same results with gcc version 9.0.1 20190219 (experimental) (GCC) on Darwin 18.2.0. $ otool -L a.out a.out: /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1252.200.5)