parser.c (cp_parser_declaration): Accept the __extension__ keyword before the declaration.

	* parser.c (cp_parser_declaration): Accept the __extension__
	keyword before the declaration.

From-SVN: r60802

gcc/cp/ChangeLog

 2003-01-02  Mark Mitchell  <mark@codesourcery.com>
 
+	* parser.c (cp_parser_declaration): Accept the __extension__
+	keyword before the declaration.
+
 	PR c++/2843
 	* parser.c (cp_parser_parameter_declaration): Allow attributes to
 	appear after the declarator.
@@ -15,7 +18,7 @@
 	(cp_parser_parsing_tentatively): Likewise.
 	(cp_parser_nested_name_specifier_opt): Reduce the number of calls
 	to the cp_lexer_peek_token.
-	 
+
 	* parser.c (cp_parser_sizeof_operand): Do not evaluate the
 	expression.
 

gcc/cp/parser.c

@@ -6533,7 +6533,12 @@ cp_parser_declaration_seq_opt (parser)
      explicit-instantiation
      explicit-specialization
      linkage-specification
-     namespace-definition    */
+     namespace-definition    
+
+   GNU extension:
+
+   declaration:
+      __extension__ declaration */
 
 static void
 cp_parser_declaration (parser)
@@ -6541,6 +6546,18 @@ cp_parser_declaration (parser)
 {
   cp_token token1;
   cp_token token2;
+  int saved_pedantic;
+
+  /* Check for the `__extension__' keyword.  */
+  if (cp_parser_extension_opt (parser, &saved_pedantic))
+    {
+      /* Parse the qualified declaration.  */
+      cp_parser_declaration (parser);
+      /* Restore the PEDANTIC flag.  */
+      pedantic = saved_pedantic;
+
+      return;
+    }
 
   /* Try to figure out what kind of declaration is present.  */
   token1 = *cp_lexer_peek_token (parser->lexer);