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

[zsojka at seznam dot cz via Gcc-bugs]

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

--- Comment #6 from Zdenek Sojka <zsojka at seznam dot cz> ---
(In reply to Jakub Jelinek from comment #5)
> Created attachment 50919 [details]
> gcc12-pr100887.patch
> 
> Untested fix.

Thank you for the patch. So the testcase from c#3 might be unrelated.