[Bug tree-optimization/127920] Possible missed optimization at O3

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127920

Drea Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2026-10-16
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=118658,
                   |                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=112395
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1

--- Comment #1 from Drea Pinski <pinskia at gcc dot gnu.org> ---

  # RANGE [irange] int [228, 229] MASK 0x1 VALUE 0xe4
  int v2_9(D) = v2;


  # RANGE [irange] int [0, 0][32, 32] MASK 0x20 VALUE 0x0
  i1_11 = i0_10 & 32;
  # RANGE [irange] int [228, 229] MASK 0x1 VALUE 0xe4
  i2_12 = v2_9(D) | i1_11;


This is the generic (non constant) form of PR 118658. Or maybe the generic form
of PR 112395.