Check in codegen test expectations.

test/codegen/expect/language/regress_23537_test.js

Index: test/codegen/expect/language/regress_23537_test.js
diff --git a/test/codegen/expect/language/regress_23537_test.js b/test/codegen/expect/language/regress_23537_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..d9310ad8382509ad9ff3d12fb7489536a64c3705
--- /dev/null
+++ b/test/codegen/expect/language/regress_23537_test.js
@@ -0,0 +1,46 @@
+dart_library.library('language/regress_23537_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__regress_23537_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 regress_23537_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  let VoidTonum = () => (VoidTonum = dart.constFn(dart.definiteFunctionType(core.num, [])))();
+  let dynamicTodynamic = () => (dynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic])))();
+  regress_23537_test.d = null;
+  regress_23537_test.test = function(a) {
+    while (true) {
+      try {
+        let b = null;
+        try {
+          for (let i = 0; i < 10; i++) {
+            return dart.fn(() => i + dart.notNull(core.num._check(a)) + dart.notNull(core.num._check(b)), VoidTonum());
+          }
+        } finally {
+          b = 10;
+          while (true) {
+            let c = 5;
+            regress_23537_test.d = dart.fn(() => dart.dsend(dart.dsend(a, '+', b), '+', c), VoidTodynamic());
+            break;
+          }
+        }
+      } finally {
+        a = 1;
+      }
+      break;
+    }
+  };
+  dart.fn(regress_23537_test.test, dynamicTodynamic());
+  regress_23537_test.main = function() {
+    let c = regress_23537_test.test(0);
+    expect$.Expect.equals(11, dart.dcall(c));
+    expect$.Expect.equals(16, dart.dcall(regress_23537_test.d));
+  };
+  dart.fn(regress_23537_test.main, VoidTodynamic());
+  // Exports:
+  exports.regress_23537_test = regress_23537_test;
+});