re PR c++/50563 ([C++0x] Weird syntax acceptance rules for non-static data…

re PR c++/50563 ([C++0x] Weird syntax acceptance rules for non-static data members initialized in place)

	PR c++/50563
	* parser.c (cp_parser_cache_group): Handle end==CPP_COMMA.
	(cp_parser_save_nsdmi): Pass it.

From-SVN: r180003

gcc/cp/ChangeLog

 2011-10-14  Jason Merrill  <jason@redhat.com>
 
+	PR c++/50563
+	* parser.c (cp_parser_cache_group): Handle end==CPP_COMMA.
+	(cp_parser_save_nsdmi): Pass it.
+
 	PR c++/50507
 	* method.c (walk_field_subobs): Check for NSDMI before
 	complaining about uninitialized fields.

gcc/cp/parser.c

@@ -20617,7 +20617,8 @@ cp_parser_save_nsdmi (cp_parser* parser)
   cp_token *last;
   tree node;
 
-  cp_parser_cache_group (parser, CPP_CLOSE_PAREN, /*depth=*/0);
+  /* Save tokens until the next comma or semicolon.  */
+  cp_parser_cache_group (parser, CPP_COMMA, /*depth=*/0);
 
   last = parser->lexer->next_token;
 
@@ -21719,6 +21720,12 @@ cp_parser_cache_group (cp_parser *parser,
 	   kind of syntax error.  */
 	return true;
 
+      /* If we're caching something finished by a comma (or semicolon),
+	 such as an NSDMI, don't consume the comma.  */
+      if (end == CPP_COMMA
+	  && (token->type == CPP_SEMICOLON || token->type == CPP_COMMA))
+	return false;
+
       /* Consume the token.  */
       cp_lexer_consume_token (parser->lexer);
       /* See if it starts a new group.  */

gcc/testsuite/ChangeLog

 2011-10-14  Jason Merrill  <jason@redhat.com>
 
+	PR c++/50563
+	* g++.dg/cpp0x/nsdmi-list1.C: New.
+
 	PR c++/50507
 	* g++.dg/cpp0x/nsdmi-const1.C: New.
 

gcc/testsuite/g++.dg/cpp0x/nsdmi-list1.C

+// PR c++/50563
+// { dg-options -std=c++0x }
+
+struct S1 {
+  int a{10}, b{20};     // OK
+};
+
+struct S2 {
+  int a, b = 20;        // OK
+};
+
+struct S3 {
+  int a = 10, b = 20;
+};