https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83828
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> --- On AVX512 machine, r257121 gave: FAIL: gcc.target/i386/avx512bitalgvl-vpopcntb-1.c (test for excess errors) FAIL: gcc.target/i386/avx512bitalgvl-vpopcntb-1.c (test for excess errors) FAIL: gcc.target/i386/avx512bitalgvl-vpopcntw-1.c execution test FAIL: gcc.target/i386/avx512bitalgvl-vpopcntw-1.c execution test FAIL: gcc.target/i386/avx512bitalgvl-vpshufbitqmb-1.c execution test FAIL: gcc.target/i386/avx512bitalgvl-vpshufbitqmb-1.c execution test
