Transitive inference using SCC

test/dart_codegen/expect/async/stream_pipe.dart

 part of dart.async;
  _runUserCode(userCode(), onSuccess(value), onError(error, StackTrace stackTrace)) {
   try {
     onSuccess(userCode());
     }
    catch (e, s) {
     AsyncError replacement = Zone.current.errorCallback(e, s);
      if (replacement == null) {
       onError(e, s);
       }
@@ skipping 247 matching lines @@
 _previous = inputEvent;
  return sink._add(inputEvent);
 }
  else {
 bool isEqual;
  try {
 if (_equals == null) {
 isEqual = (_previous == inputEvent);
 }
  else {
-isEqual = _equals(DEVC$RT.cast(_previous, dynamic, T, "CastGeneral", """line 426, column 29 of dart:async/stream_pipe.dart: """, _previous is T, false), inputEvent);
+isEqual = _equals(DEVC$RT.cast(_previous, Object, T, "CastGeneral", """line 426, column 29 of dart:async/stream_pipe.dart: """, _previous is T, false), inputEvent);
 }
 }
  catch (e, s) {
 _addErrorWithReplacement(sink, e, s);
  return null;
 }
  if (!isEqual) {
 sink._add(inputEvent);
  _previous = inputEvent;
 }
 }
 }
 }