re PR c++/57279 ([C++11] alias declaration fails to declare function types with cv-qualifiers)

	PR c++/57279
	* decl.c (grokdeclarator): Allow member function qualifiers in
	TYPENAME context.

From-SVN: r198975

gcc/cp/ChangeLog

+2013-05-16  Jason Merrill  <jason@redhat.com>
+
+	PR c++/57279
+	* decl.c (grokdeclarator): Allow member function qualifiers in
+	TYPENAME context in C++11 mode.
+
 2013-05-16  Dodji Seketeli  <dodji@redhat.com>
 
 	PR c++/56782 - Regression with empty pack expansions

gcc/cp/decl.c

@@ -10295,8 +10295,10 @@ grokdeclarator (const cp_declarator *declarator,
 
 	  if (ctype)
 	    type = build_memfn_type (type, ctype, memfn_quals, rqual);
-	  /* Core issue #547: need to allow this in template type args.  */
-	  else if (template_type_arg && TREE_CODE (type) == FUNCTION_TYPE)
+	  /* Core issue #547: need to allow this in template type args.
+	     Allow it in general in C++11 for alias-declarations.  */
+	  else if ((template_type_arg || cxx_dialect >= cxx11)
+		   && TREE_CODE (type) == FUNCTION_TYPE)
 	    type = apply_memfn_quals (type, memfn_quals, rqual);
 	  else
 	    error ("invalid qualifiers on non-member function type");

gcc/testsuite/g++.dg/cpp0x/alias-decl-35.C

+// PR c++/57279
+// { dg-require-effective-target c++11 }
+
+typedef void fc1() const; // OK
+typedef void frr1() &&; // OK
+typedef void fcr1() const &;
+using fc2 = void() const; // #4
+using frr2 = void() &&; // OK
+using fcr2 = void() const &; // #6