Disable closure wrapping by default

test/dart_codegen/expect/async/future_impl.dart

Index: test/dart_codegen/expect/async/future_impl.dart
diff --git a/test/dart_codegen/expect/async/future_impl.dart b/test/dart_codegen/expect/async/future_impl.dart
index e2b25b552eb883c472960446c5f017a883230619..ca02ca20d4e615b04a992575b9192264c76cf258 100644
--- a/test/dart_codegen/expect/async/future_impl.dart
+++ b/test/dart_codegen/expect/async/future_impl.dart
@@ -58,14 +58,14 @@ future._completeError(error, stackTrace);
  bool get hasErrorTest => (state == STATE_CATCHERROR_TEST);
  bool get handlesComplete => (state == STATE_WHENCOMPLETE);
  _FutureOnValue get _onValue {
-assert (handlesValue); return DEVC$RT.cast(callback, Function, __t11, "ImplicitCast", """line 112, column 12 of dart:async/future_impl.dart: """, callback is __t11, true);
+assert (handlesValue); return DEVC$RT.cast(callback, Function, __t10, "ImplicitCast", """line 112, column 12 of dart:async/future_impl.dart: """, callback is __t10, true);
 }
  Function get _onError => errorCallback;
  _FutureErrorTest get _errorTest {
-assert (hasErrorTest); return DEVC$RT.cast(callback, Function, __t13, "CompositeCast", """line 117, column 12 of dart:async/future_impl.dart: """, callback is __t13, false);
+assert (hasErrorTest); return DEVC$RT.cast(callback, Function, __t12, "CompositeCast", """line 117, column 12 of dart:async/future_impl.dart: """, callback is __t12, false);
 }
  _FutureAction get _whenCompleteAction {
-assert (handlesComplete); return DEVC$RT.cast(callback, Function, __t15, "ImplicitCast", """line 121, column 12 of dart:async/future_impl.dart: """, callback is __t15, true);
+assert (handlesComplete); return DEVC$RT.cast(callback, Function, __t14, "ImplicitCast", """line 121, column 12 of dart:async/future_impl.dart: """, callback is __t14, true);
 }
 }
  class _Future<T> implements Future<T> {static const int _INCOMPLETE = 0;
@@ -101,13 +101,9 @@ Function onError}
 ) {
 _Future result = new _Future();
  if (!identical(result._zone, _ROOT_ZONE)) {
-f = ((__x19) => DEVC$RT.wrap((dynamic f(dynamic __u16)) {
-dynamic c(dynamic x0) => f(x0);
- return f == null ? null : c;
+f = ((__x17) => DEVC$RT.cast(__x17, __t10, DEVC$RT.type((__t15<T> _) {
 }
-, __x19, __t11, DEVC$RT.type((__t17<T> _) {
-}
-), "Wrap", """line 208, column 11 of dart:async/future_impl.dart: """, __x19 is __t17<T>))(result._zone.registerUnaryCallback(f));
+), "CompositeCast", """line 208, column 11 of dart:async/future_impl.dart: """, __x17 is __t15<T>, false))(result._zone.registerUnaryCallback(f));
  if (onError != null) {
 onError = _registerErrorHandler(onError, result._zone);
 }
@@ -121,11 +117,7 @@ bool test(error)}
 _Future result = new _Future();
  if (!identical(result._zone, _ROOT_ZONE)) {
 onError = _registerErrorHandler(onError, result._zone);
- if (test != null) test = ((__x22) => DEVC$RT.wrap((dynamic f(dynamic __u21)) {
-dynamic c(dynamic x0) => ((__x20) => DEVC$RT.cast(__x20, dynamic, bool, "CastResult", """line 221, column 32 of dart:async/future_impl.dart: """, __x20 is bool, true))(f(x0));
- return f == null ? null : c;
-}
-, __x22, __t11, __t13, "Wrap", """line 221, column 32 of dart:async/future_impl.dart: """, __x22 is __t13))(result._zone.registerUnaryCallback(test));
+ if (test != null) test = ((__x18) => DEVC$RT.cast(__x18, __t10, __t12, "CompositeCast", """line 221, column 32 of dart:async/future_impl.dart: """, __x18 is __t12, false))(result._zone.registerUnaryCallback(test));
 }
  _addListener(new _FutureListener.catchError(result, onError, test));
  return result;
@@ -327,7 +319,7 @@ AsyncError asyncError = source._error;
  if (listener.hasErrorTest) {
   _FutureErrorTest test = listener._errorTest;
    try {
-    matchesTest = ((__x23) => DEVC$RT.cast(__x23, dynamic, bool, "DynamicCast", """line 499, column 29 of dart:async/future_impl.dart: """, __x23 is bool, true))(zone.runUnary(test, asyncError.error));
+    matchesTest = ((__x19) => DEVC$RT.cast(__x19, dynamic, bool, "DynamicCast", """line 499, column 29 of dart:async/future_impl.dart: """, __x19 is bool, true))(zone.runUnary(test, asyncError.error));
     }
    catch (e, s) {
     listenerValueOrError = identical(asyncError.error, e) ? asyncError : new AsyncError(e, s);
@@ -341,7 +333,7 @@ AsyncError asyncError = source._error;
       listenerValueOrError = zone.runBinary(errorCallback, asyncError.error, asyncError.stackTrace);
       }
      else {
-      listenerValueOrError = zone.runUnary(DEVC$RT.cast(errorCallback, Function, __t11, "ImplicitCast", """line 515, column 54 of dart:async/future_impl.dart: """, errorCallback is __t11, true), asyncError.error);
+      listenerValueOrError = zone.runUnary(DEVC$RT.cast(errorCallback, Function, __t10, "ImplicitCast", """line 515, column 54 of dart:async/future_impl.dart: """, errorCallback is __t10, true), asyncError.error);
       }
     }
    catch (e, s) {
@@ -474,7 +466,7 @@ timer.cancel();
  return result;
 }
 }
- typedef dynamic __t11(dynamic __u12);
- typedef bool __t13(dynamic __u14);
- typedef dynamic __t15();
- typedef dynamic __t17<T>(T __u18);
+ typedef dynamic __t10(dynamic __u11);
+ typedef bool __t12(dynamic __u13);
+ typedef dynamic __t14();
+ typedef dynamic __t15<T>(T __u16);