Wat if you closure identical?

sdk/lib/_internal/compiler/implementation/lib/core_patch.dart

Index: sdk/lib/_internal/compiler/implementation/lib/core_patch.dart
===================================================================
--- sdk/lib/_internal/compiler/implementation/lib/core_patch.dart	(revision 16094)
+++ sdk/lib/_internal/compiler/implementation/lib/core_patch.dart	(working copy)
@@ -213,6 +213,6 @@
 }
 
 // Patch for 'identical' function.
-patch bool identical(Object a, Object b) {
-  throw new Error('Should not reach the body of identical');
-}
+// This is very magical: the compiler knows how to optimize a call to
+// identical, so we can just express identical in terms of itself.

[ahe, 2012/12/14 08:40:39]

Really?

+patch bool identical(Object a, Object b) => identical(a, b);