re PR c++/29980 (ICE using attribute in invalid declaration)

        PR c++/29980
        * cp_parser_elaborated_type_specifier: Check
        the return value of check_elaborated_type_specifier.

        * g++.dg/ext/attrib27.C: New test.
        * g++.dg/parse/struct-as-enum1.C: Adjust error markers.
        * g++.dg/parse/typedef5.C: Likewise.

From-SVN: r119633

gcc/cp/ChangeLog

+2006-12-07  Lee Millward  <lee.millward@codesourcery.com>
+
+        PR c++/29980
+        * cp_parser_elaborated_type_specifier: Check
+        the return value of check_elaborated_type_specifier.
+	
 2006-12-06  Mark Mitchell  <mark@codesourcery.com>
 
 	PR c++/29730

gcc/cp/parser.c

@@ -10311,10 +10311,15 @@ cp_parser_elaborated_type_specifier (cp_parser* parser,
 	    }
 
 	  if (TREE_CODE (TREE_TYPE (decl)) != TYPENAME_TYPE)
-	    check_elaborated_type_specifier
-	      (tag_type, decl,
-	       (parser->num_template_parameter_lists
-		|| DECL_SELF_REFERENCE_P (decl)));
+            {
+              bool allow_template = (parser->num_template_parameter_lists
+		                      || DECL_SELF_REFERENCE_P (decl));
+              type = check_elaborated_type_specifier (tag_type, decl, 
+                                                      allow_template);
+
+              if (type == error_mark_node)
+                return error_mark_node;
+            }
 
 	  type = TREE_TYPE (decl);
 	}

gcc/testsuite/ChangeLog

+2006-12-07  Lee Millward  <lee.millward@codesourcery.com>
+
+        PR c++/29980
+        * g++.dg/ext/attrib27.C: New test.
+        * g++.dg/parse/struct-as-enum1.C: Adjust error markers.
+        * g++.dg/parse/typedef5.C: Likewise.
+	
 2006-12-07  Mike Stump  <mrs@apple.com>
 
 	* treelang/compile/var_defs.tree: Adjust.

gcc/testsuite/g++.dg/ext/attrib27.C

+//PR c++/29980
+
+struct A { typedef int X; };            // { dg-error "previous declaration" }
+
+struct __attribute__((unused)) A::X;    // { dg-error "typedef-name" }

gcc/testsuite/g++.dg/parse/struct-as-enum1.C

@@ -7,4 +7,4 @@ namespace N
     struct A {};	// { dg-error "previous declaration" }
 }
 
-typedef enum N::A B;	// { dg-error "enum" }
+typedef enum N::A B;	// { dg-error "enum|invalid type" }

gcc/testsuite/g++.dg/parse/typedef5.C

@@ -3,4 +3,4 @@ namespace A
   typedef int T;	// { dg-error "previous declaration" }
 }
 
-class A::T x;		// { dg-error "using typedef-name" }
+class A::T x;		// { dg-error "using typedef-name|invalid type" }