https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65211
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2021-12-05 Ever confirmed|0 |1 --- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Confirmed, simplified testcase: typedef unsigned v4ui __attribute__ ((vector_size(16), aligned (16))); typedef unsigned v4ui_unaligned __attribute__ ((vector_size (16), aligned (4))); template<int I> static v4ui t(unsigned *dest_data) { return ((const v4ui_unaligned*)dest_data)[0]; } template<int I> static v4ui t1(unsigned *dest_data) { typedef unsigned v4ui_1 __attribute__ ((vector_size (16), aligned (4))); return ((const v4ui_1*)dest_data)[0]; } v4ui g(unsigned int *array) { return t<1>(array+7); } v4ui f(unsigned int *array) { return t1<1>(array+7); } Still a bug on the trunk even.