[Bug target/104581] [12 Regression] Huge compile-time regression building SPEC 2017 538.imagick_r with PGO

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104581

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P1
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2022-02-17

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Samples: 2M of event 'cycles', Event count (approx.): 2071823178483             
Overhead  Command  Shared Object                     Symbol                     
  92.82%  cc1      cc1                               [.]
ix86_avx_u128_mode_need
   0.70%  cc1      cc1                               [.]
update_conflict_hard_re

GCC 11 compiles this file in 36 seconds.