Check in codegen test expectations.

test/codegen/expect/language/async_await_syntax_test_a05c_multi.js

+dart_library.library('language/async_await_syntax_test_a05c_multi', null, /* Imports */[
+  'dart_sdk'
+], function load__async_await_syntax_test_a05c_multi(exports, dart_sdk) {
+  'use strict';
+  const core = dart_sdk.core;
+  const async = dart_sdk.async;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const async_await_syntax_test_a05c_multi = Object.create(null);
+  let dynamicTodynamic = () => (dynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  let VoidTovoid = () => (VoidTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [])))();
+  async_await_syntax_test_a05c_multi.yield = 0;
+  async_await_syntax_test_a05c_multi.await = 0;
+  dart.copyProperties(async_await_syntax_test_a05c_multi, {
+    get st() {
+      return async.Stream.fromIterable([]);
+    }
+  });
+  async_await_syntax_test_a05c_multi.a05c = function() {
+    function await$(a) {
+    }
+    dart.fn(await$, dynamicTodynamic());
+    ;
+    await$(0);
+  };
+  dart.fn(async_await_syntax_test_a05c_multi.a05c, VoidTodynamic());
+  async_await_syntax_test_a05c_multi.B = class B extends core.Object {};
+  async_await_syntax_test_a05c_multi.C = class C extends async_await_syntax_test_a05c_multi.B {
+    new() {
+    }
+  };
+  dart.setSignature(async_await_syntax_test_a05c_multi.C, {
+    constructors: () => ({new: dart.definiteFunctionType(async_await_syntax_test_a05c_multi.C, [])})
+  });
+  async_await_syntax_test_a05c_multi.method1 = function() {
+  };
+  dart.fn(async_await_syntax_test_a05c_multi.method1, VoidTodynamic());
+  async_await_syntax_test_a05c_multi.method2 = function() {
+  };
+  dart.fn(async_await_syntax_test_a05c_multi.method2, VoidTodynamic());
+  async_await_syntax_test_a05c_multi.main = function() {
+    let a = null;
+    let c = new async_await_syntax_test_a05c_multi.C();
+    async_await_syntax_test_a05c_multi.a05c();
+    async_await_syntax_test_a05c_multi.method1();
+    async_await_syntax_test_a05c_multi.method2();
+  };
+  dart.fn(async_await_syntax_test_a05c_multi.main, VoidTovoid());
+  // Exports:
+  exports.async_await_syntax_test_a05c_multi = async_await_syntax_test_a05c_multi;
+});