[Bug tree-optimization/127101] a+b when b is non-zero and it is known there is no overflow (due to a check) implies a+b is non-zero

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127101

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2026-08-27
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
a + b with b != 0 and there is no overflow is still zero when a == -b, so the
description is lacking.  Possibly only for unsigned a/b and no wrap-around (as
opposed to "overflow").

Confirmed for that.