https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120895
--- Comment #7 from Sam James <sjames at gcc dot gnu.org> --- (In reply to Hongtao Liu from comment #6) > I can't reproduce it with gcc13.3.0 on ubuntu24.04 > > Neither with gcc14.1.0, gcc15.1.0, trunk > > td::alignment_of_v<__m512> is: 64 > alignof(__m512) is: 64 > __alignof__(__m512) is: 64 > Address of data%64: 0 > Address1%64: 0 Address2%64: 0 I can reproduce the assert failing on godbolt and locally with trunk: https://godbolt.org/z/WhMq58rcY. I don't know whether or not the test is valid.