[Bug tree-optimization/123416] [13/14/15/16 Regression] wrong code at -O{s,2,3} with "-fno-tree-dse -fno-strict-aliasing" on x86_64-linux-gnu since r15-2207

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123416

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
           Priority|P3                          |P2
   Last reconfirmed|                            |2026-01-06
             Status|UNCONFIRMED                 |NEW
            Version|unknown                     |16.0
   Target Milestone|---                         |13.5
                 CC|                            |hubicka at gcc dot gnu.org,
                   |                            |jakub at gcc dot gnu.org
            Summary|wrong code at -O{s,2,3}     |[13/14/15/16 Regression]
                   |with "-fno-tree-dse         |wrong code at -O{s,2,3}
                   |-fno-strict-aliasing" on    |with "-fno-tree-dse
                   |x86_64-linux-gnu            |-fno-strict-aliasing" on
                   |                            |x86_64-linux-gnu since
                   |                            |r15-2207

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Started with r15-2207-gefcbe7b985e24ac002a863afd609c44a67761195 (which then got
backported to 14/13/12 branches).