[Bug tree-optimization/93434] [8/9/10 Regression] Miscompilation with -O3 starting from 8.1

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93434

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
            Version|unknown                     |10.0
   Last reconfirmed|                            |2020-01-25
          Component|other                       |tree-optimization
                 CC|                            |jakub at gcc dot gnu.org,
                   |                            |rsandifo at gcc dot gnu.org
     Ever confirmed|0                           |1
            Summary|Miscompilation with -O3     |[8/9/10 Regression]
                   |starting from 8.1           |Miscompilation with -O3
                   |                            |starting from 8.1
   Target Milestone|---                         |8.4

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Started with r8-2390-gdfbddbeb1ca912c9f9f806d8cff55a6ac2887d89 and can
reproduce even with r10-6224 (x86_64-linux).