re PR c++/11553 (g++ accepts duplicate 'friend')

	PR c++/11553
	* parser.c (cp_parser_decl_specifier_seq): Add check for a
	duplicate friend decl-specifier.

	PR c++/11553
	* g++.dg/parse/friend3.C: New test.

From-SVN: r71008

gcc/cp/ChangeLog

+2003-09-02  Scott Brumbaugh  <scottb.lists@verizon.net>
+
+	PR c++/11553
+	* parser.c (cp_parser_decl_specifier_seq): Add check for a
+	duplicate friend decl-specifier.
+
 2003-09-02  Mark Mitchell  <mark@codesourcery.com>
 
 	PR c++/11847

gcc/cp/parser.c

@@ -6312,7 +6312,10 @@ cp_parser_decl_specifier_seq (cp_parser* parser,
 	case RID_FRIEND:
 	  /* decl-specifier:
 	       friend  */
-	  friend_p = true;
+	  if (friend_p)
+	    error ("duplicate `friend'");
+	  else
+	    friend_p = true;
 	  /* The representation of the specifier is simply the
 	     appropriate TREE_IDENTIFIER node.  */
 	  decl_spec = token->value;

gcc/testsuite/ChangeLog

+2003-09-02  Scott Brumbaugh  <scottb.lists@verizon.net>
+
+	PR c++/11553
+	* g++.dg/parse/friend3.C: New test.
+	
 2003-09-02  Mark Mitchell  <mark@codesourcery.com>
 
 	PR c++/11847

gcc/testsuite/g++.dg/parse/friend3.C

+// { dg-do compile }
+//
+// PR 11553 catch duplicate friend specifiers
+
+struct S
+{
+	friend friend class C; // { dg-error "duplicate" }
+};
+
+