re PR c++/57352 (internal compiler error in cp_parser_abort_tentative_parse at cp/parser.c:22878)

/cp
2013-05-22  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/57352
	* parser.c (cp_parser_conversion_type_id): Set up
	parser->type_definition_forbidden_message before calling
	cp_parser_type_specifier_seq.

/testsuite
2013-05-22  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/57352
	* g++.dg/parse/crash62.C: New.

From-SVN: r199224

gcc/cp/ChangeLog

 2013-05-22  Paolo Carlini  <paolo.carlini@oracle.com>
 
+	PR c++/57352
+	* parser.c (cp_parser_conversion_type_id): Set up
+	parser->type_definition_forbidden_message before calling
+	cp_parser_type_specifier_seq.
+
+2013-05-22  Paolo Carlini  <paolo.carlini@oracle.com>
+
 	PR c++/57211
 	* method.c (defaultable_fn_check): Avoid do_warn_unused_parameter
 	warnings about defaulted functions.

gcc/cp/parser.c

@@ -11715,13 +11715,22 @@ cp_parser_conversion_type_id (cp_parser* parser)
   cp_decl_specifier_seq type_specifiers;
   cp_declarator *declarator;
   tree type_specified;
+  const char *saved_message;
 
   /* Parse the attributes.  */
   attributes = cp_parser_attributes_opt (parser);
+
+  saved_message = parser->type_definition_forbidden_message;
+  parser->type_definition_forbidden_message
+    = G_("types may not be defined in a conversion-type-id");
+
   /* Parse the type-specifiers.  */
   cp_parser_type_specifier_seq (parser, /*is_declaration=*/false,
 				/*is_trailing_return=*/false,
 				&type_specifiers);
+
+  parser->type_definition_forbidden_message = saved_message;
+
   /* If that didn't work, stop.  */
   if (type_specifiers.type == error_mark_node)
     return error_mark_node;

gcc/testsuite/ChangeLog

+2013-05-22  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	PR c++/57352
+	* g++.dg/parse/crash62.C: New.
+
 2013-05-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
 	    Pat Haugen <pthaugen@us.ibm.com>
 	    Peter Bergner <bergner@vnet.ibm.com>

gcc/testsuite/g++.dg/parse/crash62.C

+// PR c++/57352
+
+struct x
+{
+  operator class {} ();  // { dg-error "types|expected" }
+};