Check in codegen test expectations.

test/codegen/expect/corelib/reg_exp1_test.js

Index: test/codegen/expect/corelib/reg_exp1_test.js
diff --git a/test/codegen/expect/corelib/reg_exp1_test.js b/test/codegen/expect/corelib/reg_exp1_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..49080ae14b658cb35db81ccffc40cf8ee07f228e
--- /dev/null
+++ b/test/codegen/expect/corelib/reg_exp1_test.js
@@ -0,0 +1,41 @@
+dart_library.library('corelib/reg_exp1_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__reg_exp1_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 reg_exp1_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  reg_exp1_test.RegExp1Test = class RegExp1Test extends core.Object {
+    static testMain() {
+      let exp1 = core.RegExp.new("bar|foo");
+      expect$.Expect.equals(true, exp1.hasMatch("foo"));
+      expect$.Expect.equals(true, exp1.hasMatch("bar"));
+      expect$.Expect.equals(false, exp1.hasMatch("gim"));
+      expect$.Expect.equals(true, exp1.hasMatch("just foo"));
+      expect$.Expect.equals("bar|foo", exp1.pattern);
+      expect$.Expect.equals(false, exp1.isMultiLine);
+      expect$.Expect.equals(true, exp1.isCaseSensitive);
+      let exp2 = core.RegExp.new("o+", {caseSensitive: false});
+      expect$.Expect.equals(true, exp2.hasMatch("this looks good"));
+      expect$.Expect.equals(true, exp2.hasMatch("fOO"));
+      expect$.Expect.equals(false, exp2.hasMatch("bar"));
+      expect$.Expect.equals("o+", exp2.pattern);
+      expect$.Expect.equals(false, exp2.isCaseSensitive);
+      expect$.Expect.equals(false, exp2.isMultiLine);
+    }
+  };
+  dart.setSignature(reg_exp1_test.RegExp1Test, {
+    statics: () => ({testMain: dart.definiteFunctionType(dart.dynamic, [])}),
+    names: ['testMain']
+  });
+  reg_exp1_test.main = function() {
+    reg_exp1_test.RegExp1Test.testMain();
+  };
+  dart.fn(reg_exp1_test.main, VoidTodynamic());
+  // Exports:
+  exports.reg_exp1_test = reg_exp1_test;
+});