[Bug tree-optimization/122756] [16 Regression] RISCV: ICE Segmentation fault signal terminated program cc1

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122756

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-valid-code
          Component|target                      |tree-optimization
            Summary|RISCV: ICE Segmentation     |[16 Regression] RISCV: ICE
                   |fault signal terminated     |Segmentation fault signal
                   |program cc1                 |terminated program cc1
   Last reconfirmed|                            |2025-11-19
     Ever confirmed|0                           |1
   Target Milestone|---                         |16.0
             Status|UNCONFIRMED                 |NEW

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

Happening in vrp2:
  result:
    under assumptions a.0_11 != -1 && d_26 != 18446744073709551614
    zero if d_26 + 1 > (long unsigned int) a.0_11
    # of iterations (((long unsigned int) a.0_11 - d_26) +
18446744073709551615) / 2