Adds a flag to the standalone vm to throw an exception on 53-bit integer overflow.

sdk/lib/core/errors.dart

Index: sdk/lib/core/errors.dart
===================================================================
--- sdk/lib/core/errors.dart	(revision 23187)
+++ sdk/lib/core/errors.dart	(working copy)
@@ -234,6 +234,11 @@
   String toString() => "Stack Overflow";
 }
 
+class FiftyThreeBitOverflowError implements Error {
+  const FiftyThreeBitOverflowError();
+  String toString() => "53-bit Overflow";

[srdjan, 2013/05/28 10:57:14]

I think we should provide more information here (i.e., the value).

[zra, 2013/05/28 17:06:39]

Done.

+}
+
 /**
  * Error thrown when a runtime error occurs.
  */