re PR c++/29408 (parse error for valid code)

PR c++/29408
	* parser.c (cp_parser_using_declaration): Stop parsing when
	something goes wrong with an access declaration.
	PR c++/29408
	* g++.dg/parse/dtor12.C: New test.

From-SVN: r117800

gcc/cp/ChangeLog

@@ -1,5 +1,9 @@
 2006-10-16  Mark Mitchell  <mark@codesourcery.com>
 
+	PR c++/29408
+	* parser.c (cp_parser_using_declaration): Stop parsing when
+	something goes wrong with an access declaration.
+
 	PR c++/29435
 	* typeck.c (cxx_sizeof_or_alignof_type): Complete non-dependent
 	types when their sizes are required.  Refine test for VLAs.

gcc/cp/parser.c

@@ -10681,6 +10681,12 @@ cp_parser_using_declaration (cp_parser* parser,
   if (!qscope)
     qscope = global_namespace;
 
+  if (access_declaration_p && cp_parser_error_occurred (parser))
+    /* Something has already gone wrong; there's no need to parse
+       further.  Since an error has occurred, the return value of
+       cp_parser_parse_definitely will be false, as required.  */
+    return cp_parser_parse_definitely (parser);
+
   /* Parse the unqualified-id.  */
   identifier = cp_parser_unqualified_id (parser,
 					 /*template_keyword_p=*/false,

gcc/testsuite/ChangeLog

@@ -1,5 +1,8 @@
 2006-10-16  Mark Mitchell  <mark@codesourcery.com>
 
+	PR c++/29408
+	* g++.dg/parse/dtor12.C: New test.
+
 	PR c++/29435
 	* g++.dg/template/sizeof11.C: New test.
 

gcc/testsuite/g++.dg/parse/dtor12.C

@@ -0,0 +1,6 @@
+// PR c++/29408
+
+template <class T> class a
+{
+  ~a<T>();
+};