re PR c++/29363 (ICE throwing undeclared object)

	PR c++/29363
	* decl.c (create_implicit_typedef): Set TYPE_STUB_DECL here.
	(cxx_init_decl_processing): Not here.
	* name-lookup.c (pushtag): Or here.
	* pt.c (lookup_template_class): Or here.

From-SVN: r154163

gcc/cp/ChangeLog

 2009-11-13  Jason Merrill  <jason@redhat.com>
 
+	PR c++/29363
+	* decl.c (create_implicit_typedef): Set TYPE_STUB_DECL here.
+	(cxx_init_decl_processing): Not here.
+	* name-lookup.c (pushtag): Or here.
+	* pt.c (lookup_template_class): Or here.
+
 	PR c++/35075
 	* pt.c (convert_nontype_argument): Give helpful error about
 	reference variable argument to reference template parameter.

gcc/cp/decl.c

@@ -849,6 +849,7 @@ create_implicit_typedef (tree name, tree type)
      amongst these.  */
   SET_DECL_IMPLICIT_TYPEDEF_P (decl);
   TYPE_NAME (type) = decl;
+  TYPE_STUB_DECL (type) = decl;
 
   return decl;
 }
@@ -3456,7 +3457,6 @@ cxx_init_decl_processing (void)
     bad_alloc_decl
       = create_implicit_typedef (bad_alloc_id, bad_alloc_type_node);
     DECL_CONTEXT (bad_alloc_decl) = current_namespace;
-    TYPE_STUB_DECL (bad_alloc_type_node) = bad_alloc_decl;
     pop_namespace ();
 
     ptr_ftype_sizetype

gcc/cp/name-lookup.c

@@ -5288,7 +5288,6 @@ pushtag (tree name, tree type, tag_scope scope)
 
   decl = TYPE_NAME (type);
   gcc_assert (TREE_CODE (decl) == TYPE_DECL);
-  TYPE_STUB_DECL (type) = decl;
 
   /* Set type visibility now if this is a forward declaration.  */
   TREE_PUBLIC (decl) = 1;

gcc/cp/pt.c

@@ -6371,7 +6371,6 @@ lookup_template_class (tree d1,
 
 	  type_decl = create_implicit_typedef (DECL_NAME (gen_tmpl), t);
 	  DECL_CONTEXT (type_decl) = TYPE_CONTEXT (t);
-	  TYPE_STUB_DECL (t) = type_decl;
 	  DECL_SOURCE_LOCATION (type_decl)
 	    = DECL_SOURCE_LOCATION (TYPE_STUB_DECL (template_type));
 	}

gcc/testsuite/ChangeLog

 2009-11-13  Jason Merrill  <jason@redhat.com>
 
+	PR c++/29363
+	* g++.dg/template/error43.C: New.
+
 	PR debug/26965
 	* g++.dg/debug/dwarf2/static-data-member2.C: New.
 

gcc/testsuite/g++.dg/template/error43.C

+// PR c++/29363
+
+template<int> void foo()
+{
+  throw A();			// { dg-message "declar" }
+  struct A {} a;
+}
+
+template void foo<0>();		// { dg-message "instantiated" }