[Bug c++/92024] crash in check_local_shadow

[bernd.edlinger at hotmail dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92024

--- Comment #1 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
This seems to fix the ICE:

Index: pt.c
===================================================================
--- pt.c        (revision 276634)
+++ pt.c        (working copy)
@@ -10973,6 +10973,9 @@
       || uses_template_parms (type))
     return type;

+  if (CLASSTYPE_TEMPLATE_INFO (type) == NULL)
+    return error_mark_node;
+
   /* Figure out which template is being instantiated.  */
   templ = most_general_template (CLASSTYPE_TI_TEMPLATE (type));
   gcc_assert (TREE_CODE (templ) == TEMPLATE_DECL);