http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53748
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-06-25 09:20:06 UTC --- Reduced testcase: typedef long long V __attribute__ ((__vector_size__ (16))); void foo (int x, V *y) { *y = x ? ((V) { ~0UL, ~0UL }) : ((V) { 0LL, 0LL }); }