re PR c++/13736 (Parser confused on compound casts)

	PR c++/13736
	* parser.c (cp_parser_direct_declarator): Do not prevent
	backtracking inside a parenthesized declarator.
	(cp_parser_parameter_declaration): Fix typo in comment.

	PR c++/13736
	* g++.dg/parse/cast2.C (main): New test.

From-SVN: r76825

gcc/cp/ChangeLog

+2004-01-28  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/13736
+	* parser.c (cp_parser_direct_declarator): Do not prevent
+	backtracking inside a parenthesized declarator.
+	(cp_parser_parameter_declaration): Fix typo in comment.
+
 2004-01-28  Jan Hubicka  <jh@suse.cz>
 
 	* semantics.c (expand_body)  Do emit_associated_thunks before

gcc/cp/parser.c

@@ -10285,15 +10285,20 @@ cp_parser_direct_declarator (cp_parser* parser,
 	     declarator.  */
 	  if (first)
 	    {
+	      bool saved_in_type_id_in_expr_p;
+
 	      parser->default_arg_ok_p = saved_default_arg_ok_p;
 	      parser->in_declarator_p = saved_in_declarator_p;
 	      
 	      /* Consume the `('.  */
 	      cp_lexer_consume_token (parser->lexer);
 	      /* Parse the nested declarator.  */
+	      saved_in_type_id_in_expr_p = parser->in_type_id_in_expr_p;
+	      parser->in_type_id_in_expr_p = true;
 	      declarator 
 		= cp_parser_declarator (parser, dcl_kind, ctor_dtor_or_conv_p,
 					/*parenthesized_p=*/NULL);
+	      parser->in_type_id_in_expr_p = saved_in_type_id_in_expr_p;
 	      first = false;
 	      /* Expect a `)'.  */
 	      if (!cp_parser_require (parser, CPP_CLOSE_PAREN, "`)'"))
@@ -11048,11 +11053,11 @@ cp_parser_parameter_declaration (cp_parser *parser,
       if (!parser->in_template_argument_list_p
 	  /* In an expression context, having seen:
 
-	       (int((char *)...
+	       (int((char ...
 
 	     we cannot be sure whether we are looking at a
-	     function-type (taking a "char*" as a parameter) or a cast
-	     of some object of type "char*" to "int".  */
+	     function-type (taking a "char" as a parameter) or a cast
+	     of some object of type "char" to "int".  */
 	  && !parser->in_type_id_in_expr_p
 	  && cp_parser_parsing_tentatively (parser)
 	  && !cp_parser_committed_to_tentative_parse (parser)

gcc/testsuite/ChangeLog

+2004-01-28  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/13736
+	* g++.dg/parse/cast2.C (main): New test.
+
 2004-01-27  James E Wilson  <wilson@specifixinc.com>
 
 	* objc.dg/encode-2.m (main): New local string.  Set depending on

gcc/testsuite/g++.dg/parse/cast2.C

+// PR c++/13736
+
+struct string
+{
+  string() {}
+  string(const string&) {}
+  string(const char*) {}
+};
+
+int main()
+{
+  string s2(string( (const char*)("")));
+}