[Bug c++/90138] [7/8/9 Regression] ICE on invalid in contains_struct_check()

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90138

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |jakub at gcc dot gnu.org

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 46195
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46195&action=edit
gcc9-pr90138.patch

Untested fix.  If pushdecl finds a duplicate decl, it ggc_frees the passed in
decl, so better check the return value of pushdecl...