https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114801
--- Comment #27 from Christophe Lyon <clyon at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #25) > > Indeed, it ICEs e.g. during CSE. > Though, that also means it is just about luck, if something isn't a > CONST_INT at expansion time but simplified into CONST_INT later, it can ICE > as well. How did you test it to make it crash? The (modifed) testcase compiles OK for me: return vdupq_m_n_u32(vdupq_n_u32(0xffffffff), 0, 0x0acf); return vdupq_m_n_u16(vdupq_n_u16(0xffff), 0, 0x1b0f);
