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

[peter0x44 at disroot dot org]

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

--- Comment #1 from Peter Damianov <peter0x44 at disroot dot org> ---
Created attachment 63043
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=63043&action=edit
avx2 preprocessed source