https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101017
--- Comment #11 from Hongtao Liu <liuhongt at gcc dot gnu.org> --- (In reply to David Binderman from comment #10) > Did this ever happen ? > > Similar test case gcc/testsuite/gcc.target/i386/avx10_1-26.c > still seems to cause a crash: > > testsuite $ ~/gcc/results/bin/gcc -c -w ./gcc.target/i386/avx10_1-26.c > ./gcc.target/i386/avx10_1-26.c: In function ‘foo’: > ./gcc.target/i386/avx10_1-26.c:7:9: note: the ABI for passing parameters > with 64-byte alignment has changed in GCC 4.6 > 7 | __m512d foo(__m512d a, __m512d b) > | ^~~ Looks like the same error.