re PR c++/37649 (ICE with invalid template class)

/cp
2008-09-25  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/37649
	* name-lookup.c (maybe_process_template_type_declaration): Check
	return value of push_template_decl_real for error_mark_node.

/testsuite
2008-09-25  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/37649
	* g++.dg/template/crash82.C: New.

From-SVN: r140670

gcc/cp/ChangeLog

+2008-09-25  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/37649
+	* name-lookup.c (maybe_process_template_type_declaration): Check
+	return value of push_template_decl_real for error_mark_node.
+
 2008-09-24  Aldy Hernandez  <aldyh@redhat.com>
 
 	* semantics.c (finish_fname): Pass location to fname_decl.

gcc/cp/name-lookup.c

@@ -4936,6 +4936,9 @@ maybe_process_template_type_declaration (tree type, int is_friend,
 	  tree name = DECL_NAME (decl);
 
 	  decl = push_template_decl_real (decl, is_friend);
+	  if (decl == error_mark_node)
+	    return error_mark_node;
+
 	  /* If the current binding level is the binding level for the
 	     template parameters (see the comment in
 	     begin_template_parm_list) and the enclosing level is a class

gcc/testsuite/ChangeLog

+2008-09-25  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/37649
+	* g++.dg/template/crash82.C: New.
+
 2008-09-25  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/37504

gcc/testsuite/g++.dg/template/crash82.C

+// PR c++/37649
+
+struct A
+{
+  template<int> struct {}; // { dg-error "template class without a name" }
+};