Check in codegen test expectations.

test/codegen/expect/language/mixin_only_for_rti_test.js

Index: test/codegen/expect/language/mixin_only_for_rti_test.js
diff --git a/test/codegen/expect/language/mixin_only_for_rti_test.js b/test/codegen/expect/language/mixin_only_for_rti_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..8bb73e71a94e7cc19ccb694bf54f5b98ffc5a1db
--- /dev/null
+++ b/test/codegen/expect/language/mixin_only_for_rti_test.js
@@ -0,0 +1,45 @@
+dart_library.library('language/mixin_only_for_rti_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__mixin_only_for_rti_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 mixin_only_for_rti_test = Object.create(null);
+  let Tester = () => (Tester = dart.constFn(mixin_only_for_rti_test.Tester$()))();
+  let TesterOfA = () => (TesterOfA = dart.constFn(mixin_only_for_rti_test.Tester$(mixin_only_for_rti_test.A)))();
+  let TesterOfX = () => (TesterOfX = dart.constFn(mixin_only_for_rti_test.Tester$(mixin_only_for_rti_test.X)))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  mixin_only_for_rti_test.Tester$ = dart.generic(T => {
+    class Tester extends core.Object {
+      testGenericType(x) {
+        return T.is(x);
+      }
+    }
+    dart.addTypeTests(Tester);
+    dart.setSignature(Tester, {
+      methods: () => ({testGenericType: dart.definiteFunctionType(dart.dynamic, [dart.dynamic])})
+    });
+    return Tester;
+  });
+  mixin_only_for_rti_test.Tester = Tester();
+  mixin_only_for_rti_test.B = class B extends core.Object {};
+  mixin_only_for_rti_test.C = class C extends core.Object {};
+  mixin_only_for_rti_test.A = class A extends dart.mixin(mixin_only_for_rti_test.B, mixin_only_for_rti_test.C) {
+    new() {
+      super.new();
+    }
+  };
+  mixin_only_for_rti_test.Y = class Y extends core.Object {};
+  mixin_only_for_rti_test.Z = class Z extends core.Object {};
+  mixin_only_for_rti_test.X = class X extends dart.mixin(mixin_only_for_rti_test.Y, mixin_only_for_rti_test.Z) {};
+  mixin_only_for_rti_test.main = function() {
+    expect$.Expect.isFalse(new (TesterOfA())().testGenericType(new core.Object()));
+    expect$.Expect.isFalse(new (TesterOfX())().testGenericType(new core.Object()));
+  };
+  dart.fn(mixin_only_for_rti_test.main, VoidTodynamic());
+  // Exports:
+  exports.mixin_only_for_rti_test = mixin_only_for_rti_test;
+});