Check in codegen test expectations.

test/codegen/expect/language/type_variable_initializer_test.js

Index: test/codegen/expect/language/type_variable_initializer_test.js
diff --git a/test/codegen/expect/language/type_variable_initializer_test.js b/test/codegen/expect/language/type_variable_initializer_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..4a3de62d36d0a2d5e53cea48f96599c1c3926aa5
--- /dev/null
+++ b/test/codegen/expect/language/type_variable_initializer_test.js
@@ -0,0 +1,45 @@
+dart_library.library('language/type_variable_initializer_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__type_variable_initializer_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 type_variable_initializer_test = Object.create(null);
+  let A = () => (A = dart.constFn(type_variable_initializer_test.A$()))();
+  let B = () => (B = dart.constFn(type_variable_initializer_test.B$()))();
+  let BOfint = () => (BOfint = dart.constFn(type_variable_initializer_test.B$(core.int)))();
+  let MapOfint$int = () => (MapOfint$int = dart.constFn(core.Map$(core.int, core.int)))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  type_variable_initializer_test.A$ = dart.generic(T => {
+    let MapOfT$T = () => (MapOfT$T = dart.constFn(core.Map$(T, T)))();
+    class A extends core.Object {
+      new() {
+        this.map = MapOfT$T().new();
+      }
+    }
+    dart.addTypeTests(A);
+    dart.setSignature(A, {
+      constructors: () => ({new: dart.definiteFunctionType(type_variable_initializer_test.A$(T), [])})
+    });
+    return A;
+  });
+  type_variable_initializer_test.A = A();
+  type_variable_initializer_test.B$ = dart.generic(T => {
+    class B extends type_variable_initializer_test.A$(T) {
+      new() {
+        super.new();
+      }
+    }
+    return B;
+  });
+  type_variable_initializer_test.B = B();
+  type_variable_initializer_test.main = function() {
+    expect$.Expect.isTrue(MapOfint$int().is(new (BOfint())().map));
+  };
+  dart.fn(type_variable_initializer_test.main, VoidTodynamic());
+  // Exports:
+  exports.type_variable_initializer_test = type_variable_initializer_test;
+});