[Bug target/100887] [12 Regression] ICE: in ix86_expand_vector_init_concat, at config/i386/i386-expand.c:14178 with -mavx512f and __builtin_shufflevector()

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100887

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 50921
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50921&action=edit
gcc12-pr100887-2.patch

Untested fix for the #c3 ICE.