[Bug c/94968] [10/11 Regression] internal compiler error: tree check: expected class ‘type’, have ‘exceptional’ (error_mark) in useless_type_conversion_p, at gimple-expr.c:87

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94968

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 48464
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48464&action=edit
gcc11-pr94968.patch

Untested fix.