[Bug tree-optimization/126650] [13/14/15/16/17 Regression] Wrong code at -O2/3/s on x86_64-pc-linux-gnu

"rguenth at gcc dot gnu.org via Gcc-bugs" <[email protected]> Wed, 05 Aug 2026 08:37:21 +0000

Newsgroups	gmane.comp.gcc.bugs
Message-ID	<[email protected]/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126650

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[17 Regression] Wrong code  |[13/14/15/16/17 Regression]
                   |at -O2/3/s on               |Wrong code at -O2/3/s on
                   |x86_64-pc-linux-gnu         |x86_64-pc-linux-gnu
   Target Milestone|17.0                        |13.5
           Priority|P3                          |P2

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Note it's wrong since forver, but DSE exercises this since GCC 13.