[Bug tree-optimization/126650] [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 08:13:31 +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
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           Assignee|unassigned at gcc dot gnu.org      |rguenth at gcc dot gnu.org
             Status|NEW                         |ASSIGNED

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
I will have a look, but the issue must be latent.

Interestingly with

  if (f.bf.c != -64) abort ();

the testcase works ...