Check in codegen test expectations.

test/codegen/expect/language/cascade_in_initializer_list_test.js

Index: test/codegen/expect/language/cascade_in_initializer_list_test.js
diff --git a/test/codegen/expect/language/cascade_in_initializer_list_test.js b/test/codegen/expect/language/cascade_in_initializer_list_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..39be85295db5a6ffa3e729564b3c2d26ec4b7c3a
--- /dev/null
+++ b/test/codegen/expect/language/cascade_in_initializer_list_test.js
@@ -0,0 +1,47 @@
+dart_library.library('language/cascade_in_initializer_list_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__cascade_in_initializer_list_test(exports, dart_sdk, expect) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const cascade_in_initializer_list_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  cascade_in_initializer_list_test.A = class A extends core.Object {
+    foo() {}
+    bar() {}
+  };
+  dart.setSignature(cascade_in_initializer_list_test.A, {
+    methods: () => ({
+      foo: dart.definiteFunctionType(dart.dynamic, []),
+      bar: dart.definiteFunctionType(dart.dynamic, [])
+    })
+  });
+  cascade_in_initializer_list_test.B = class B extends core.Object {
+    new(a) {
+      this.x = ((() => {
+        dart.dsend(a, 'foo');
+        dart.dsend(a, 'bar');
+        return a;
+      })());
+      this.y = ((() => {
+        dart.dsend(a, 'foo');
+        dart.dsend(a, 'bar');
+        return a;
+      })());
+    }
+  };
+  dart.setSignature(cascade_in_initializer_list_test.B, {
+    constructors: () => ({new: dart.definiteFunctionType(cascade_in_initializer_list_test.B, [dart.dynamic])})
+  });
+  cascade_in_initializer_list_test.main = function() {
+    let a = new cascade_in_initializer_list_test.A(), b = new cascade_in_initializer_list_test.B(a);
+    expect$.Expect.equals(a, b.x);
+    expect$.Expect.equals(a, b.y);
+  };
+  dart.fn(cascade_in_initializer_list_test.main, VoidTodynamic());
+  // Exports:
+  exports.cascade_in_initializer_list_test = cascade_in_initializer_list_test;
+});