Experimental: port bleeding_edge r1276 (a grab bag of optimizations)...

test/mjsunit/date.js

Index: test/mjsunit/date.js
===================================================================
--- test/mjsunit/date.js	(revision 1313)
+++ test/mjsunit/date.js	(working copy)
@@ -42,7 +42,21 @@
 assertEquals(date1, date2);
 assertEquals(date2, date3);
 
+// Test limits (+/-1e8 days from epoch)
 
+var dMax = new Date(8.64e15);
+assertEquals(8.64e15, dMax.getTime());
+
+var dOverflow = new Date(8.64e15+1);
+assertTrue(isNaN(dOverflow.getTime()));
+
+var dMin = new Date(-8.64e15);
+assertEquals(-8.64e15, dMin.getTime());
+
+var dUnderflow = new Date(-8.64e15-1);
+assertTrue(isNaN(dUnderflow.getTime()));
+
+
 // Tests inspired by js1_5/Date/regress-346363.js
 
 // Year