Check in codegen test expectations.

test/codegen/expect/language/issue7525_test.js

Index: test/codegen/expect/language/issue7525_test.js
diff --git a/test/codegen/expect/language/issue7525_test.js b/test/codegen/expect/language/issue7525_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..00ff0f5bd618e8fb8cc1ec5f483ad4b246c95e5d
--- /dev/null
+++ b/test/codegen/expect/language/issue7525_test.js
@@ -0,0 +1,30 @@
+dart_library.library('language/issue7525_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__issue7525_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 issue7525_test = Object.create(null);
+  let JSArrayOfint = () => (JSArrayOfint = dart.constFn(_interceptors.JSArray$(core.int)))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  issue7525_test.foo = function() {
+    let ol = JSArrayOfint().of([2]);
+    ol[dartx.get](0);
+    let x = ol[dartx.get](0);
+    return x;
+  };
+  dart.fn(issue7525_test.foo, VoidTodynamic());
+  issue7525_test.main = function() {
+    for (let i = 0; i < 20; i++) {
+      issue7525_test.foo();
+    }
+    expect$.Expect.equals(2, issue7525_test.foo());
+  };
+  dart.fn(issue7525_test.main, VoidTodynamic());
+  // Exports:
+  exports.issue7525_test = issue7525_test;
+});