Check in codegen test expectations.

test/codegen/expect/language/type_propagation_in_for_update_test.js

Index: test/codegen/expect/language/type_propagation_in_for_update_test.js
diff --git a/test/codegen/expect/language/type_propagation_in_for_update_test.js b/test/codegen/expect/language/type_propagation_in_for_update_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..11e35fa3190a463264ac94bff9a0e3d6f679c7db
--- /dev/null
+++ b/test/codegen/expect/language/type_propagation_in_for_update_test.js
@@ -0,0 +1,37 @@
+dart_library.library('language/type_propagation_in_for_update_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__type_propagation_in_for_update_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_propagation_in_for_update_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  type_propagation_in_for_update_test.bar = function() {
+    return 'foo';
+  };
+  dart.fn(type_propagation_in_for_update_test.bar, VoidTodynamic());
+  type_propagation_in_for_update_test.main = function() {
+    expect$.Expect.throws(type_propagation_in_for_update_test.foo1);
+    expect$.Expect.throws(type_propagation_in_for_update_test.foo2);
+  };
+  dart.fn(type_propagation_in_for_update_test.main, VoidTodynamic());
+  type_propagation_in_for_update_test.foo1 = function() {
+    let a = type_propagation_in_for_update_test.bar();
+    for (;; a = 1 + dart.notNull(core.num._check(a))) {
+      if (!dart.equals(a, 'foo')) return;
+    }
+  };
+  dart.fn(type_propagation_in_for_update_test.foo1, VoidTodynamic());
+  type_propagation_in_for_update_test.foo2 = function() {
+    let a = type_propagation_in_for_update_test.bar();
+    for (;; a = 1 + dart.notNull(core.num._check(a))) {
+      if (!dart.equals(a, 'foo')) break;
+    }
+  };
+  dart.fn(type_propagation_in_for_update_test.foo2, VoidTodynamic());
+  // Exports:
+  exports.type_propagation_in_for_update_test = type_propagation_in_for_update_test;
+});