re PR c++/52521 ([C++11] user defined literals and order of declaration)

	PR c++/52521
	* parser.c (lookup_literal_operator): Return fn only if
	processed all arguments from args vector and argtypes is
	void_list_node.

	* g++.dg/cpp0x/udlit-args2.C: New test.

From-SVN: r185375

gcc/cp/ChangeLog

+2012-03-14  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/52521
+	* parser.c (lookup_literal_operator): Return fn only if
+	processed all arguments from args vector and argtypes is
+	void_list_node.
+
 2012-01-30  Dodji Seketeli  <dodji@redhat.com>
 
 	PR c++/51641

gcc/cp/parser.c

 /* C++ Parser.
    Copyright (C) 2000, 2001, 2002, 2003, 2004,
-   2005, 2007, 2008, 2009, 2010, 2011  Free Software Foundation, Inc.
+   2005, 2007, 2008, 2009, 2010, 2011, 2012  Free Software Foundation, Inc.
    Written by Mark Mitchell <mark@codesourcery.com>.
 
    This file is part of GCC.
@@ -3581,7 +3581,13 @@ lookup_literal_operator (tree name, VEC(tree,gc) *args)
 				       TREE_TYPE (tparm))))
 		found = false;
 	    }
-	  if (found)
+	  if (found
+	      && ix == VEC_length (tree, args)
+	      /* May be this should be sufficient_parms_p instead,
+		 depending on how exactly should user-defined literals
+		 work in presence of default arguments on the literal
+		 operator parameters.  */
+	      && argtypes == void_list_node)
 	    return fn;
 	}
     }

gcc/testsuite/ChangeLog

+2012-03-14  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/52521
+	* g++.dg/cpp0x/udlit-args2.C: New test.
+
 2012-03-13  Oleg Endo  <olegendo@gcc.gnu.org>
 
 	PR target/48596

gcc/testsuite/g++.dg/cpp0x/udlit-args2.C

+// PR c++/52521
+// { dg-do compile }
+// { dg-options -std=c++11 }
+
+#include <cstddef>
+
+int operator "" _a (const char *);
+int operator "" _a (const char *, std::size_t);
+int a = 123_a;
+int a2 = "abc"_a;
+
+int operator "" _b (const char *, std::size_t);
+int operator "" _b (const char *);
+int b = 123_b;
+int b2 = "abc"_b;