Check in codegen test expectations.

test/codegen/expect/language/await_regression_test.js

Index: test/codegen/expect/language/await_regression_test.js
diff --git a/test/codegen/expect/language/await_regression_test.js b/test/codegen/expect/language/await_regression_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..b6d6adeb7cd86a0bfd64de331f4aa70203191a61
--- /dev/null
+++ b/test/codegen/expect/language/await_regression_test.js
@@ -0,0 +1,57 @@
+dart_library.library('language/await_regression_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__await_regression_test(exports, dart_sdk, expect) {
+  'use strict';
+  const core = dart_sdk.core;
+  const async = dart_sdk.async;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const await_regression_test = Object.create(null);
+  let dynamicTodynamic = () => (dynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  let __Todynamic = () => (__Todynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [], {a: dart.dynamic, b: dart.dynamic})))();
+  await_regression_test.later = function(vodka) {
+    return async.Future.value(vodka);
+  };
+  dart.fn(await_regression_test.later, dynamicTodynamic());
+  await_regression_test.manana = function(tequila) {
+    return dart.async(function*(tequila) {
+      return tequila;
+    }, dart.dynamic, tequila);
+  };
+  dart.fn(await_regression_test.manana, dynamicTodynamic());
+  await_regression_test.testNestedFunctions = function() {
+    return dart.async(function*() {
+      let a = (yield dart.dsend(await_regression_test.later('Asterix'), 'then', dart.fn(tonic => await_regression_test.later(tonic), dynamicTodynamic())));
+      let o = (yield dart.dsend(await_regression_test.manana('Obelix'), 'then', await_regression_test.manana));
+      expect$.Expect.equals(dart.str`${a} and ${o}`, "Asterix and Obelix");
+    }, dart.dynamic);
+  };
+  dart.fn(await_regression_test.testNestedFunctions, VoidTodynamic());
+  await_regression_test.addLater = function(opts) {
+    let a = opts && 'a' in opts ? opts.a : null;
+    let b = opts && 'b' in opts ? opts.b : null;
+    return async.Future.value(dart.dsend(a, '+', b));
+  };
+  dart.fn(await_regression_test.addLater, __Todynamic());
+  await_regression_test.testNamedArguments = function() {
+    return dart.async(function*() {
+      let sum = (yield await_regression_test.addLater({a: 5, b: 10}));
+      expect$.Expect.equals(sum, 15);
+      sum = (yield await_regression_test.addLater({b: 11, a: -11}));
+      expect$.Expect.equals(sum, 0);
+    }, dart.dynamic);
+  };
+  dart.fn(await_regression_test.testNamedArguments, VoidTodynamic());
+  await_regression_test.main = function() {
+    return dart.async(function*() {
+      await_regression_test.testNestedFunctions();
+      await_regression_test.testNamedArguments();
+    }, dart.dynamic);
+  };
+  dart.fn(await_regression_test.main, VoidTodynamic());
+  // Exports:
+  exports.await_regression_test = await_regression_test;
+});