X64 Crankshaft: Add test that fails on x64 Crankshaft build to list of skippe...

src/date.js

Index: src/date.js
===================================================================
--- src/date.js	(revision 6771)
+++ src/date.js	(working copy)
@@ -81,15 +81,10 @@
 
 
 function InLeapYear(time) {
-  return DaysInYear(YearFromTime(time)) == 366 ? 1 : 0;
+  return DaysInYear(YearFromTime(time)) - 365;  // Returns 1 or 0.
 }
 
 
-function DayWithinYear(time) {
-  return DAY(time) - DayFromYear(YearFromTime(time));
-}
-
-
 // ECMA 262 - 15.9.1.9
 function EquivalentYear(year) {
   // Returns an equivalent year in the range [2008-2035] matching