Check in codegen test expectations.

test/codegen/expect/language/gvn_interceptor_test.js

Index: test/codegen/expect/language/gvn_interceptor_test.js
diff --git a/test/codegen/expect/language/gvn_interceptor_test.js b/test/codegen/expect/language/gvn_interceptor_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..1db0e74a920758a01a9273b03103179ca434e09f
--- /dev/null
+++ b/test/codegen/expect/language/gvn_interceptor_test.js
@@ -0,0 +1,29 @@
+dart_library.library('language/gvn_interceptor_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__gvn_interceptor_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 gvn_interceptor_test = Object.create(null);
+  let JSArrayOfint = () => (JSArrayOfint = dart.constFn(_interceptors.JSArray$(core.int)))();
+  let dynamicAnddynamicTodynamic = () => (dynamicAnddynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic, dart.dynamic])))();
+  let VoidTovoid = () => (VoidTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [])))();
+  gvn_interceptor_test.foo = function(a, index) {
+    if (dart.test(dart.dsend(dart.dload(a, 'length'), '<', index))) {
+      for (let i = core.int._check(dart.dload(a, 'length')); dart.notNull(i) <= dart.notNull(core.num._check(index)); i = dart.notNull(i) + 1)
+        dart.dsend(a, 'add', i);
+    }
+    return dart.dindex(a, dart.dsend(dart.dload(a, 'length'), '-', 1));
+  };
+  dart.fn(gvn_interceptor_test.foo, dynamicAnddynamicTodynamic());
+  gvn_interceptor_test.main = function() {
+    expect$.Expect.equals(3, gvn_interceptor_test.foo(JSArrayOfint().of([0]), 3));
+  };
+  dart.fn(gvn_interceptor_test.main, VoidTovoid());
+  // Exports:
+  exports.gvn_interceptor_test = gvn_interceptor_test;
+});