Allow arity checks on dynamic function types

test/dart_codegen/expect/async/zone.dart

 part of dart.async;
  typedef dynamic ZoneCallback();
  typedef dynamic ZoneUnaryCallback(arg);
  typedef dynamic ZoneBinaryCallback(arg1, arg2);
  typedef dynamic HandleUncaughtErrorHandler(Zone self, ZoneDelegate parent, Zone zone, error, StackTrace stackTrace);
  typedef dynamic RunHandler(Zone self, ZoneDelegate parent, Zone zone, f());
  typedef dynamic RunUnaryHandler(Zone self, ZoneDelegate parent, Zone zone, f(arg), arg);
  typedef dynamic RunBinaryHandler(Zone self, ZoneDelegate parent, Zone zone, f(arg1, arg2), arg1, arg2);
  typedef ZoneCallback RegisterCallbackHandler(Zone self, ZoneDelegate parent, Zone zone, f());
  typedef ZoneUnaryCallback RegisterUnaryCallbackHandler(Zone self, ZoneDelegate parent, Zone zone, f(arg));
@@ skipping 132 matching lines @@
  return (implementation.function)(implZone, _parentDelegate(implZone), zone, f, arg);
 }
  dynamic runBinary(Zone zone, f(arg1, arg2), arg1, arg2) {
 _ZoneFunction implementation = _delegationTarget._runBinary;
  _Zone implZone = implementation.zone;
  return (implementation.function)(implZone, _parentDelegate(implZone), zone, f, arg1, arg2);
 }
  ZoneCallback registerCallback(Zone zone, f()) {
 _ZoneFunction implementation = _delegationTarget._registerCallback;
  _Zone implZone = implementation.zone;
- return ((__x243) => DEVC$RT.cast(__x243, dynamic, __t180, "CastGeneral", """line 522, column 12 of dart:async/zone.dart: """, __x243 is __t180, false))((implementation.function)(implZone, _parentDelegate(implZone), zone, f));
+ return ((__x243) => DEVC$RT.cast(__x243, dynamic, __t180, "CastGeneral", """line 522, column 12 of dart:async/zone.dart: """, __x243 is __t180, true))((implementation.function)(implZone, _parentDelegate(implZone), zone, f));
 }
  ZoneUnaryCallback registerUnaryCallback(Zone zone, f(arg)) {
 _ZoneFunction implementation = _delegationTarget._registerUnaryCallback;
  _Zone implZone = implementation.zone;
- return ((__x244) => DEVC$RT.cast(__x244, dynamic, __t188, "CastGeneral", """line 529, column 12 of dart:async/zone.dart: """, __x244 is __t188, false))((implementation.function)(implZone, _parentDelegate(implZone), zone, f));
+ return ((__x244) => DEVC$RT.cast(__x244, dynamic, __t188, "CastGeneral", """line 529, column 12 of dart:async/zone.dart: """, __x244 is __t188, true))((implementation.function)(implZone, _parentDelegate(implZone), zone, f));
 }
  ZoneBinaryCallback registerBinaryCallback(Zone zone, f(arg1, arg2)) {
 _ZoneFunction implementation = _delegationTarget._registerBinaryCallback;
  _Zone implZone = implementation.zone;
- return ((__x245) => DEVC$RT.cast(__x245, dynamic, __t198, "CastGeneral", """line 536, column 12 of dart:async/zone.dart: """, __x245 is __t198, false))((implementation.function)(implZone, _parentDelegate(implZone), zone, f));
+ return ((__x245) => DEVC$RT.cast(__x245, dynamic, __t198, "CastGeneral", """line 536, column 12 of dart:async/zone.dart: """, __x245 is __t198, true))((implementation.function)(implZone, _parentDelegate(implZone), zone, f));
 }
  AsyncError errorCallback(Zone zone, Object error, StackTrace stackTrace) {
 _ZoneFunction implementation = _delegationTarget._errorCallback;
  _Zone implZone = implementation.zone;
  if (identical(implZone, _ROOT_ZONE)) return null;
  return ((__x246) => DEVC$RT.cast(__x246, dynamic, AsyncError, "CastGeneral", """line 544, column 12 of dart:async/zone.dart: """, __x246 is AsyncError, true))((implementation.function)(implZone, _parentDelegate(implZone), zone, error, stackTrace));
 }
  void scheduleMicrotask(Zone zone, f()) {
 _ZoneFunction implementation = _delegationTarget._scheduleMicrotask;
  _Zone implZone = implementation.zone;
@@ skipping 170 matching lines @@
  return (implementation.function)(implementation.zone, parentDelegate, this, f, arg);
 }
  dynamic runBinary(f(arg1, arg2), arg1, arg2) {
 _ZoneFunction implementation = this._runBinary;
  assert (implementation != null); ZoneDelegate parentDelegate = _parentDelegate(implementation.zone);
  return (implementation.function)(implementation.zone, parentDelegate, this, f, arg1, arg2);
 }
  ZoneCallback registerCallback(f()) {
 _ZoneFunction implementation = this._registerCallback;
  assert (implementation != null); ZoneDelegate parentDelegate = _parentDelegate(implementation.zone);
- return ((__x251) => DEVC$RT.cast(__x251, dynamic, __t180, "CastGeneral", """line 820, column 12 of dart:async/zone.dart: """, __x251 is __t180, false))((implementation.function)(implementation.zone, parentDelegate, this, f));
+ return ((__x251) => DEVC$RT.cast(__x251, dynamic, __t180, "CastGeneral", """line 820, column 12 of dart:async/zone.dart: """, __x251 is __t180, true))((implementation.function)(implementation.zone, parentDelegate, this, f));
 }
  ZoneUnaryCallback registerUnaryCallback(f(arg)) {
 _ZoneFunction implementation = this._registerUnaryCallback;
  assert (implementation != null); ZoneDelegate parentDelegate = _parentDelegate(implementation.zone);
- return ((__x252) => DEVC$RT.cast(__x252, dynamic, __t188, "CastGeneral", """line 828, column 12 of dart:async/zone.dart: """, __x252 is __t188, false))((implementation.function)(implementation.zone, parentDelegate, this, f));
+ return ((__x252) => DEVC$RT.cast(__x252, dynamic, __t188, "CastGeneral", """line 828, column 12 of dart:async/zone.dart: """, __x252 is __t188, true))((implementation.function)(implementation.zone, parentDelegate, this, f));
 }
  ZoneBinaryCallback registerBinaryCallback(f(arg1, arg2)) {
 _ZoneFunction implementation = this._registerBinaryCallback;
  assert (implementation != null); ZoneDelegate parentDelegate = _parentDelegate(implementation.zone);
- return ((__x253) => DEVC$RT.cast(__x253, dynamic, __t198, "CastGeneral", """line 836, column 12 of dart:async/zone.dart: """, __x253 is __t198, false))((implementation.function)(implementation.zone, parentDelegate, this, f));
+ return ((__x253) => DEVC$RT.cast(__x253, dynamic, __t198, "CastGeneral", """line 836, column 12 of dart:async/zone.dart: """, __x253 is __t198, true))((implementation.function)(implementation.zone, parentDelegate, this, f));
 }
  AsyncError errorCallback(Object error, StackTrace stackTrace) {
 final _ZoneFunction implementation = this._errorCallback;
  assert (implementation != null); final Zone implementationZone = implementation.zone;
  if (identical(implementationZone, _ROOT_ZONE)) return null;
  final ZoneDelegate parentDelegate = _parentDelegate(DEVC$RT.cast(implementationZone, Zone, _Zone, "CastGeneral", """line 845, column 57 of dart:async/zone.dart: """, implementationZone is _Zone, true));
  return ((__x254) => DEVC$RT.cast(__x254, dynamic, AsyncError, "CastGeneral", """line 846, column 12 of dart:async/zone.dart: """, __x254 is AsyncError, true))((implementation.function)(implementationZone, parentDelegate, this, error, stackTrace));
 }
  void scheduleMicrotask(void f()) {
 _ZoneFunction implementation = this._scheduleMicrotask;
@@ skipping 255 matching lines @@
  dynamic runZoned(body(), {
 Map zoneValues, ZoneSpecification zoneSpecification, Function onError}
 ) {
 HandleUncaughtErrorHandler errorHandler;
  if (onError != null) {
 errorHandler = (Zone self, ZoneDelegate parent, Zone zone, error, StackTrace stackTrace) {
 try {
 if (onError is ZoneBinaryCallback) {
 return self.parent.runBinary(onError, error, stackTrace);
 }
- return self.parent.runUnary(DEVC$RT.cast(onError, Function, __t188, "CastGeneral", """line 1228, column 37 of dart:async/zone.dart: """, onError is __t188, false), error);
+ return self.parent.runUnary(DEVC$RT.cast(onError, Function, __t188, "CastGeneral", """line 1228, column 37 of dart:async/zone.dart: """, onError is __t188, true), error);
 }
  catch (e, s) {
 if (identical(e, error)) {
 return parent.handleUncaughtError(zone, error, stackTrace);
 }
  else {
 return parent.handleUncaughtError(zone, e, s);
 }
 }
 }
@@ skipping 23 matching lines @@
  typedef __t188 __t182(Zone __u183, ZoneDelegate __u184, Zone __u185, dynamic __u186(dynamic __u187));
  typedef dynamic __t198(dynamic __u199, dynamic __u200);
  typedef __t198 __t191(Zone __u192, ZoneDelegate __u193, Zone __u194, dynamic __u195(dynamic __u196, dynamic __u197));
  typedef AsyncError __t202(Zone __u203, ZoneDelegate __u204, Zone __u205, Object __u206, StackTrace __u207);
  typedef void __t209(Zone __u210, ZoneDelegate __u211, Zone __u212, dynamic __u213());
  typedef Timer __t215(Zone __u216, ZoneDelegate __u217, Zone __u218, Duration __u219, void __u220());
  typedef Timer __t222(Zone __u223, ZoneDelegate __u224, Zone __u225, Duration __u226, void __u227(Timer __u228));
  typedef void __t230(Zone __u231, ZoneDelegate __u232, Zone __u233, String __u234);
  typedef Zone __t236(Zone __u237, ZoneDelegate __u238, Zone __u239, ZoneSpecification __u240, Map<dynamic, dynamic> __u241);
  typedef void __t258(Timer __u259);