The tests gcc.dg/globalalias-2.c and gcc.dg/localalias-2.c fail on darwin with
/opt/gcc/work/gcc/testsuite/gcc.dg/globalalias-2.c:20:2: warning: alias
definitions not supported in Mach-O; ignored
I think they should be protected by
/* { dg-require-alias "" } */
Dominique
