[Bug c++/65127] [5 Regression] internal compiler error: tree check: expected tree that contains 'decl minimal' structure, have 'addr_expr' in parsing_nsdmi, at cp/parser.c:18311

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65127

--- Comment #5 from Jason Merrill <jason at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #3)
> So it seems current_class_ptr is no longer just NULL or a PARM_DECL, but can
> be also ADDR_EXPR of a PLACEHOLDER_EXPR.  Dunno if the right fix is
> just
>  bool
>  parsing_nsdmi (void)
>  {
>    /* We recognize NSDMI context by the context-less 'this' pointer set up
>       by the function above.  */
> -   if (current_class_ptr && DECL_CONTEXT (current_class_ptr) == NULL_TREE)
> +   if (current_class_ptr
> +       && TREE_CODE (current_class_ptr) == PARM_DECL
> +       && DECL_CONTEXT (current_class_ptr) == NULL_TREE)
>      return true;
>    return false;
>  }
> or something different.

This change is OK.