[Bug c++/123814] [13/14/15/16 Regression] ICE in constraint satisfaction for fold expression (possibly memory corruption)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123814

Patrick Palka <ppalka at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2026-01-26
            Summary|ICE in constraint           |[13/14/15/16 Regression]
                   |satisfaction for fold       |ICE in constraint
                   |expression (possibly memory |satisfaction for fold
                   |corruption)                 |expression (possibly memory
                   |                            |corruption)
                 CC|                            |ppalka at gcc dot gnu.org
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=122494
             Status|UNCONFIRMED                 |ASSIGNED
   Target Milestone|---                         |13.5

--- Comment #1 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Started with r11-6244 but the underlying problem is really the
warning-dependent constexpr evaluation restriction mechanism as with PR122494.