Follow Safari and Firefox in returning empty array from array splice...

test/mjsunit/array-splice.js

Index: test/mjsunit/array-splice.js
===================================================================
--- test/mjsunit/array-splice.js	(revision 5365)
+++ test/mjsunit/array-splice.js	(working copy)
@@ -67,13 +67,8 @@
 (function() {
   var array;
   for (var i = 0; i < 7; i++) {
-    // SpiderMonkey and JSC return undefined in the case where no
-    // arguments are given instead of using the implicit undefined
-    // arguments.  This does not follow ECMA-262, but we do the same for
-    // compatibility.
-    // TraceMonkey follows ECMA-262 though.
     array = [1, 2, 3]
-    assertEquals(undefined, array.splice());
+    assertEquals([], array.splice());
     assertEquals([1, 2, 3], array);
 
     // SpiderMonkey, TraceMonkey and JSC treat the case where no delete count is