Check in codegen test expectations.

test/codegen/expect/language/state_mangling_test.js

Index: test/codegen/expect/language/state_mangling_test.js
diff --git a/test/codegen/expect/language/state_mangling_test.js b/test/codegen/expect/language/state_mangling_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..5ec317382a7c631d090c9163b0da2aa18dfc3866
--- /dev/null
+++ b/test/codegen/expect/language/state_mangling_test.js
@@ -0,0 +1,58 @@
+dart_library.library('language/state_mangling_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__state_mangling_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 state_mangling_test = Object.create(null);
+  let JSArrayOfint = () => (JSArrayOfint = dart.constFn(_interceptors.JSArray$(core.int)))();
+  let dynamicTodynamic = () => (dynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic])))();
+  let intToint = () => (intToint = dart.constFn(dart.definiteFunctionType(core.int, [core.int])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  state_mangling_test.foo = function(state) {
+    if (state == null) return 0;
+    let sum = 0;
+    for (let i = 0; i < dart.notNull(core.num._check(dart.dload(state, 'length'))); i++) {
+      sum = dart.notNull(sum) + dart.notNull(core.int._check(dart.dindex(state, i)));
+    }
+    state = state_mangling_test.inscrutableId(state);
+    for (let i = 0; i < dart.notNull(core.num._check(dart.dload(state, 'length'))); i++) {
+      sum = dart.notNull(sum) + dart.notNull(core.int._check(dart.dindex(state, i)));
+    }
+    return sum;
+  };
+  dart.fn(state_mangling_test.foo, dynamicTodynamic());
+  state_mangling_test.inscrutable = function(x) {
+    return x == 0 ? 0 : (dart.notNull(x) | dart.notNull(state_mangling_test.inscrutable((dart.notNull(x) & dart.notNull(x) - 1) >>> 0))) >>> 0;
+  };
+  dart.fn(state_mangling_test.inscrutable, intToint());
+  state_mangling_test.inscrutableId = function(x) {
+    if (dart.equals(x, 0)) return state_mangling_test.inscrutable(core.int._check(x));
+    return 3 == state_mangling_test.inscrutable(3) ? x : false;
+  };
+  dart.fn(state_mangling_test.inscrutableId, dynamicTodynamic());
+  state_mangling_test.A = class A extends core.Object {
+    new() {
+      this.length = 3;
+    }
+    get(i) {
+      return 1;
+    }
+  };
+  dart.setSignature(state_mangling_test.A, {
+    methods: () => ({get: dart.definiteFunctionType(dart.dynamic, [dart.dynamic])})
+  });
+  state_mangling_test.main = function() {
+    expect$.Expect.equals(12, state_mangling_test.foo(JSArrayOfint().of([1, 2, 3])));
+    if (dart.equals(state_mangling_test.inscrutableId(0), 0)) {
+      expect$.Expect.equals(6, state_mangling_test.foo(new state_mangling_test.A()));
+    }
+  };
+  dart.fn(state_mangling_test.main, VoidTodynamic());
+  // Exports:
+  exports.state_mangling_test = state_mangling_test;
+});