http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58269
--- Comment #2 from Iain Sandoe <iains at gcc dot gnu.org> --- note this *breaks bootstrap* for the normal language set. reduced testcase: int foo (int a, ...) { void *args; args = __builtin_apply_args (); return 0; } /src/test/pr58269.c:7:1: internal compiler error: in check_rtl, at lra.c:2034