re PR c++/9112 (new C++ parser rejects code older parsers accepted)

	PR c++/9112
	* parser.c (cp_parser_direct_declarator): Handle erroneous
	parenthesized declarators correctly.

	PR c++/9112
	* g++.dg/parse/expr1.C: New test.

From-SVN: r60706

gcc/cp/ChangeLog

+2002-12-31  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/9112
+	* parser.c (cp_parser_direct_declarator): Handle erroneous
+	parenthesized declarators correctly.
+
 2002-12-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
 
 	* cp-tree.h (pending_lang_change): Declare.

gcc/cp/parser.c

@@ -10023,6 +10023,8 @@ cp_parser_direct_declarator (parser, abstract_p, ctor_dtor_or_conv_p)
      declarator.  */
   if (token->type == CPP_OPEN_PAREN)
     {
+      bool error_p;
+
       /* For an abstract declarator we do not know whether we are
 	 looking at the beginning of a parameter-declaration-clause,
 	 or at a parenthesized abstract declarator.  For example, if
@@ -10041,7 +10043,7 @@ cp_parser_direct_declarator (parser, abstract_p, ctor_dtor_or_conv_p)
       declarator 
 	= cp_parser_declarator (parser, abstract_p, ctor_dtor_or_conv_p);
       /* Expect a `)'.  */
-      cp_parser_require (parser, CPP_CLOSE_PAREN, "`)'");
+      error_p = !cp_parser_require (parser, CPP_CLOSE_PAREN, "`)'");
 
       /* If parsing a parenthesized abstract declarator didn't work,
 	 try a parameter-declaration-clause.  */
@@ -10050,7 +10052,8 @@ cp_parser_direct_declarator (parser, abstract_p, ctor_dtor_or_conv_p)
       /* If we were not parsing an abstract declarator, but failed to
 	 find a satisfactory nested declarator, then an error has
 	 occurred.  */
-      else if (!abstract_p && declarator == error_mark_node)
+      else if (!abstract_p 
+	       && (declarator == error_mark_node || error_p))
 	return error_mark_node;
       /* Default args cannot appear in an abstract decl.  */
       parser->default_arg_ok_p = false;

gcc/testsuite/ChangeLog

+2002-12-31  Mark Mitchell  <mark@codesourcery.com>
+
+	PR c++/9112
+	* g++.dg/parse/expr1.C: New test.
+
 2002-12-30  Daniel Jacobowitz  <drow@mvista.com>
 
 	* gcc.c-torture/compile/20021230-1.c: New test.

gcc/testsuite/g++.dg/parse/expr1.C

+struct A {
+  A (int, int);
+  void f ();
+};
+
+void f (int a) {
+  A (a, a).f ();
+}