Remove arguments arity check in mjsunit because it vastly slows down the tests.

test/mjsunit/mjsunit.js

Index: test/mjsunit/mjsunit.js
diff --git a/test/mjsunit/mjsunit.js b/test/mjsunit/mjsunit.js
index 043027908853d0dfd9169553dae00a19a3efde55..00fd03bea2cb5d09295bdab8ae0a9035ce5695fa 100644
--- a/test/mjsunit/mjsunit.js
+++ b/test/mjsunit/mjsunit.js
@@ -239,7 +239,7 @@ var assertUnoptimized;
   }
 
   assertSame = function assertSame(expected, found, name_opt) {
-    checkArity(arguments, 2, "assertSame");
+//    checkArity(arguments, 2, "assertSame");

[Michael Starzinger, 2014/11/14 10:21:22]

So maybe instead of commenting it out, we should remove it. And also the now
dead checkArity method.

 
     // TODO(mstarzinger): We should think about using Harmony's egal operator
     // or the function equivalent Object.is() here.
@@ -253,7 +253,7 @@ var assertUnoptimized;
 
 
   assertEquals = function assertEquals(expected, found, name_opt) {
-    checkArity(arguments, 2, "assertEquals");
+//    checkArity(arguments, 2, "assertEquals");
 
     if (!deepEquals(found, expected)) {
       fail(PrettyPrint(expected), found, name_opt);