Check in codegen test expectations.

test/codegen/expect/corelib/big_integer_huge_mul_vm_test.js

Index: test/codegen/expect/corelib/big_integer_huge_mul_vm_test.js
diff --git a/test/codegen/expect/corelib/big_integer_huge_mul_vm_test.js b/test/codegen/expect/corelib/big_integer_huge_mul_vm_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..2fdf890a2d40ea2dfd3ae54a5b7704e21ef05869
--- /dev/null
+++ b/test/codegen/expect/corelib/big_integer_huge_mul_vm_test.js
@@ -0,0 +1,27 @@
+dart_library.library('corelib/big_integer_huge_mul_vm_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__big_integer_huge_mul_vm_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 big_integer_huge_mul_vm_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  big_integer_huge_mul_vm_test.testBigintHugeMul = function() {
+    let bits = 65536;
+    let a = (1)[dartx['<<']](bits);
+    let a1 = a - 1;
+    let p1 = a1 * a1;
+    let p2 = a * a - a - a + 1;
+    expect$.Expect.isTrue(p1 == p2, 'products do not match');
+  };
+  dart.fn(big_integer_huge_mul_vm_test.testBigintHugeMul, VoidTodynamic());
+  big_integer_huge_mul_vm_test.main = function() {
+    big_integer_huge_mul_vm_test.testBigintHugeMul();
+  };
+  dart.fn(big_integer_huge_mul_vm_test.main, VoidTodynamic());
+  // Exports:
+  exports.big_integer_huge_mul_vm_test = big_integer_huge_mul_vm_test;
+});