Apply transformations after comparing to golden files.

pkg/front_end/testcases/inference/top_level_return_and_yield.dart.direct.expect

Index: pkg/front_end/testcases/inference/top_level_return_and_yield.dart.direct.expect
diff --git a/pkg/front_end/testcases/inference/top_level_return_and_yield.dart.direct.expect b/pkg/front_end/testcases/inference/top_level_return_and_yield.dart.direct.expect
index 1a86291a96214f186a4ee643a6dccc1a10908e0b..7a615f9bf58c1d70ef04e1da357c9e50d30f42df 100644
--- a/pkg/front_end/testcases/inference/top_level_return_and_yield.dart.direct.expect
+++ b/pkg/front_end/testcases/inference/top_level_return_and_yield.dart.direct.expect
@@ -7,120 +7,19 @@ typedef IntToInt = (core::int) → core::int;
 static method a() → (core::int) → core::int {
   return (dynamic x) → dynamic => x;
 }
-static method b() → asy::Future<(core::int) → core::int> /* originally async */ {
-  final asy::Completer<asy::FutureOr<(core::int) → core::int>> :completer = asy::Completer::sync<asy::FutureOr<(core::int) → core::int>>();
-  asy::FutureOr<(core::int) → core::int> :return_value;
-  dynamic :async_op_then;
-  dynamic :async_op_error;
-  dynamic :await_jump_var = 0;
-  dynamic :await_ctx_var;
-  function :async_op([dynamic :result, dynamic :exception, dynamic :stack_trace]) → dynamic yielding 
-    try {
-      #L1:
-      {
-        :return_value = (dynamic x) → dynamic => x;
-        break #L1;
-      }
-      :completer.complete(:return_value);
-      return;
-    }
-    on dynamic catch(dynamic :exception, dynamic :stack_trace) {
-      :completer.completeError(:exception, :stack_trace);
-    }
-  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
-  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
-  asy::Future::microtask<dynamic>(:async_op);
-  return :completer.future;
+static method b() → asy::Future<(core::int) → core::int> async {
+  return (dynamic x) → dynamic => x;
 }
-static method c() → core::Iterable<(core::int) → core::int> /* originally sync* */ {
-  dynamic :await_jump_var = 0;
-  dynamic :await_ctx_var;
-  function :sync_op(core::Iterator<dynamic> :iterator) → core::bool yielding {
-    {
-      {
-        :iterator._current = (dynamic x) → dynamic => x;
-        [yield] true;
-      }
-    }
-    return false;
-  }
-  return new core::_SyncIterable::•(:sync_op);
+static method c() → core::Iterable<(core::int) → core::int> sync* {
+  yield(dynamic x) → dynamic => x;
 }
-static method d() → core::Iterable<(core::int) → core::int> /* originally sync* */ {
-  dynamic :await_jump_var = 0;
-  dynamic :await_ctx_var;
-  function :sync_op(core::Iterator<dynamic> :iterator) → core::bool yielding {
-    {
-      {
-        :iterator.isYieldEach = true;
-        :iterator._current = <dynamic>[(dynamic x) → dynamic => x];
-        [yield] true;
-      }
-    }
-    return false;
-  }
-  return new core::_SyncIterable::•(:sync_op);
+static method d() → core::Iterable<(core::int) → core::int> sync* {
+  yield*<dynamic>[(dynamic x) → dynamic => x];
 }
-static method e() → asy::Stream<(core::int) → core::int> /* originally async* */ {
-  dynamic :controller;
-  dynamic :async_op_then;
-  dynamic :async_op_error;
-  dynamic :await_jump_var = 0;
-  dynamic :await_ctx_var;
-  dynamic :saved_try_context_var0;
-  dynamic :saved_try_context_var1;
-  function :async_op([dynamic :result, dynamic :exception, dynamic :stack_trace]) → dynamic yielding 
-    try
-      try {
-        #L2:
-        {
-          if(:controller.add((dynamic x) → dynamic => x))
-            return null;
-          else
-            [yield] null;
-        }
-        return;
-      }
-      on dynamic catch(dynamic :exception, dynamic :stack_trace) {
-        :controller.addError(:exception, :stack_trace);
-      }
-    finally {
-      :controller.close();
-    }
-  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
-  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
-  :controller = new asy::_AsyncStarStreamController::•(:async_op);
-  return :controller.stream;
+static method e() → asy::Stream<(core::int) → core::int> async* {
+  yield(dynamic x) → dynamic => x;
 }
-static method f() → asy::Stream<(core::int) → core::int> /* originally async* */ {
-  dynamic :controller;
-  dynamic :async_op_then;
-  dynamic :async_op_error;
-  dynamic :await_jump_var = 0;
-  dynamic :await_ctx_var;
-  dynamic :saved_try_context_var0;
-  dynamic :saved_try_context_var1;
-  function :async_op([dynamic :result, dynamic :exception, dynamic :stack_trace]) → dynamic yielding 
-    try
-      try {
-        #L3:
-        {
-          if(:controller.addStream(asy::Stream::fromIterable<dynamic>(<dynamic>[(dynamic x) → dynamic => x])))
-            return null;
-          else
-            [yield] null;
-        }
-        return;
-      }
-      on dynamic catch(dynamic :exception, dynamic :stack_trace) {
-        :controller.addError(:exception, :stack_trace);
-      }
-    finally {
-      :controller.close();
-    }
-  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
-  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
-  :controller = new asy::_AsyncStarStreamController::•(:async_op);
-  return :controller.stream;
+static method f() → asy::Stream<(core::int) → core::int> async* {
+  yield* asy::Stream::fromIterable<dynamic>(<dynamic>[(dynamic x) → dynamic => x]);
 }
 static method main() → dynamic {}