Check in codegen test expectations.

test/codegen/expect/language/indirect_const_null_test.js

+dart_library.library('language/indirect_const_null_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__indirect_const_null_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 indirect_const_null_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  indirect_const_null_test.main = function() {
+    let NULL = 1 == 1 ? null : false;
+    expect$.Expect.isNull(NULL);
+  };
+  dart.fn(indirect_const_null_test.main, VoidTodynamic());
+  // Exports:
+  exports.indirect_const_null_test = indirect_const_null_test;
+});