Check in codegen test expectations.

test/codegen/expect/language/syncstar_yieldstar_test.js

Index: test/codegen/expect/language/syncstar_yieldstar_test.js
diff --git a/test/codegen/expect/language/syncstar_yieldstar_test.js b/test/codegen/expect/language/syncstar_yieldstar_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..d5117cdd9f961c1a760045f7589ae4e3d76a6144
--- /dev/null
+++ b/test/codegen/expect/language/syncstar_yieldstar_test.js
@@ -0,0 +1,42 @@
+dart_library.library('language/syncstar_yieldstar_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__syncstar_yieldstar_test(exports, dart_sdk, expect) {
+  'use strict';
+  const core = dart_sdk.core;
+  const _interceptors = dart_sdk._interceptors;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const syncstar_yieldstar_test = Object.create(null);
+  let JSArrayOfint = () => (JSArrayOfint = dart.constFn(_interceptors.JSArray$(core.int)))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  syncstar_yieldstar_test.bar = function() {
+    return dart.syncStar(function*() {
+      let i = 1;
+      let j = 1;
+      while (true) {
+        yield i;
+        j = i + j;
+        i = j - i;
+      }
+    }, dart.dynamic);
+  };
+  dart.fn(syncstar_yieldstar_test.bar, VoidTodynamic());
+  syncstar_yieldstar_test.foo = function() {
+    return dart.syncStar(function*() {
+      yield* JSArrayOfint().of([1, 2, 3]);
+      yield null;
+      yield* core.Iterable.as(syncstar_yieldstar_test.bar());
+    }, dart.dynamic);
+  };
+  dart.fn(syncstar_yieldstar_test.foo, VoidTodynamic());
+  syncstar_yieldstar_test.main = function() {
+    return dart.async(function*() {
+      expect$.Expect.listEquals(JSArrayOfint().of([1, 2, 3, null, 1, 1, 2, 3, 5]), core.List._check(dart.dsend(dart.dsend(syncstar_yieldstar_test.foo(), 'take', 9), 'toList')));
+    }, dart.dynamic);
+  };
+  dart.fn(syncstar_yieldstar_test.main, VoidTodynamic());
+  // Exports:
+  exports.syncstar_yieldstar_test = syncstar_yieldstar_test;
+});