Apply transformations after comparing to golden files.

pkg/front_end/testcases/inference/block_bodied_lambdas_infer_bottom_async.dart.strong.expect

 library test;
 import self as self;
 import "dart:async" as asy;
 import "dart:core" as core;
 
-static method main() → dynamic /* originally async */ {
-  final asy::Completer<asy::FutureOr<dynamic>> :completer = asy::Completer::sync<asy::FutureOr<dynamic>>();
-  asy::FutureOr<dynamic> :return_value;
-  dynamic :async_op_then;
-  dynamic :async_op_error;
-  dynamic :await_jump_var = 0;
-  dynamic :await_ctx_var;
-  dynamic :saved_try_context_var0;
-  function :async_op([dynamic :result, dynamic :exception, dynamic :stack_trace]) → dynamic yielding 
-    try {
-      #L1:
-      {
-        () → asy::Future<core::Null> f = () → asy::Future<core::Null> /* originally async */ {
-          final asy::Completer<asy::FutureOr<core::Null>> :completer = asy::Completer::sync<asy::FutureOr<core::Null>>();
-          asy::FutureOr<core::Null> :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 {
-              #L2:
-              {
-                :return_value = null;
-                break #L2;
-              }
-              :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;
-        };
-        asy::Future<dynamic> y = f.call();
-        asy::Future<core::String> z = f.call();
-        asy::_awaitHelper(f.call(), :async_op_then, :async_op_error, :async_op);
-        [yield] null;
-        core::String s = :result;
-      }
-      :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 main() → dynamic async {
+  () → asy::Future<core::Null> f = () → asy::Future<core::Null> async {
+    return null;
+  };
+  asy::Future<dynamic> y = f.call();
+  asy::Future<core::String> z = f.call();
+  core::String s = await f.call();
 }