[Bug c/115642] [11/12/13/14/15 Regression] internal compiler error: tree check: expected class 'type', have 'exceptional' (error_mark) in c_expr_sizeof_expr

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115642

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at gcc dot gnu.org      |mpolacek at gcc dot 
gnu.org
     Ever confirmed|0                           |1
           Keywords|                            |ice-on-invalid-code
             Status|UNCONFIRMED                 |ASSIGNED
   Target Milestone|---                         |11.5
   Last reconfirmed|                            |2024-06-25
            Summary|[gcc][trunk] internal       |[11/12/13/14/15 Regression]
                   |compiler error: tree check: |internal compiler error:
                   |expected class 'type', have |tree check: expected class
                   |'exceptional' (error_mark)  |'type', have 'exceptional'
                   |in c_expr_sizeof_expr       |(error_mark) in
                   |                            |c_expr_sizeof_expr
                 CC|                            |mpolacek at gcc dot gnu.org

--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
This is a very old regression.  r145256 crashes but r145245 doesn't.

I have a patch.