[Bug middle-end/123105] avx512 slows compile time by 2.5x vs avx2 in testcase with eigen

[peter0x44 at disroot dot org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123105

--- Comment #3 from Peter Damianov <peter0x44 at disroot dot org> ---
clang actually has similar compile times on this code so it might be expected.