[Bug c/125962] [13/14/15/16/17 Regression] ICE on invalid code on x86_64-linux-gnu: tree check: expected class ‘type’, have ‘exceptional’ (error_mark) in element_mode, at tree.cc:13731

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125962

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2026-06-23
           Priority|P3                          |P4
   Target Milestone|---                         |13.5
             Status|UNCONFIRMED                 |NEW
                 CC|                            |pinskia at gcc dot gnu.org
            Summary|ICE on invalid code on      |[13/14/15/16/17 Regression]
                   |x86_64-linux-gnu: tree      |ICE on invalid code on
                   |check: expected class       |x86_64-linux-gnu: tree
                   |‘type’, have ‘exceptional’  |check: expected class
                   |(error_mark) in             |‘type’, have ‘exceptional’
                   |element_mode, at            |(error_mark) in
                   |tree.cc:13731               |element_mode, at
                   |                            |tree.cc:13731
           Keywords|                            |error-recovery,
                   |                            |ice-on-invalid-code,
                   |                            |ice-on-invalid-fuzzy
     Ever confirmed|0                           |1

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

Note we know there are a lot of ICEs after the "conflicting types" error. There
are a bunch already filed. And yes we know exactly which commit caused it too.