call.c (reference_binding): Allow direct binding to an array rvalue.

	* call.c (reference_binding): Allow direct binding to an array
	rvalue.

From-SVN: r171613

gcc/cp/ChangeLog

 2011-03-28  Jason Merrill  <jason@redhat.com>
 
+	* call.c (reference_binding): Allow direct binding to an array
+	rvalue.
+
 	Core 898
 	* parser.c (cp_parser_compound_statement): Add function_body parm.
 	Complain about non-body compound-stmt in constexpr fn.

gcc/cp/call.c

@@ -1429,7 +1429,9 @@ reference_binding (tree rto, tree rfrom, tree expr, bool c_cast_p, int flags)
 	  || (((CP_TYPE_CONST_NON_VOLATILE_P (to)
 		&& !(flags & LOOKUP_NO_TEMP_BIND))
 	       || TYPE_REF_IS_RVALUE (rto))
-	      && (CLASS_TYPE_P (from) || (expr && lvalue_p (expr))))))
+	      && (CLASS_TYPE_P (from)
+		  || TREE_CODE (from) == ARRAY_TYPE
+		  || (expr && lvalue_p (expr))))))
     {
       /* [dcl.init.ref]
 

gcc/testsuite/ChangeLog

 2011-03-28  Jason Merrill  <jason@redhat.com>
 
+	* g++.dg/cpp0x/initlist-array1.C: New.
+
 	* g++.dg/cpp0x/constexpr-compound.C: New.
 
 	* g++.dg/cpp0x/constexpr-using.C: New.

gcc/testsuite/g++.dg/cpp0x/initlist-arrray1.C

+// { dg-options -std=c++0x }
+
+typedef int IRT[2];
+
+const IRT& ir = IRT{1,2};