Check in codegen test expectations.

test/codegen/expect/language/issue20476_test.js

Index: test/codegen/expect/language/issue20476_test.js
diff --git a/test/codegen/expect/language/issue20476_test.js b/test/codegen/expect/language/issue20476_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..99fe813f724da3b339e25276a0ccc8f9073651d4
--- /dev/null
+++ b/test/codegen/expect/language/issue20476_test.js
@@ -0,0 +1,34 @@
+dart_library.library('language/issue20476_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__issue20476_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 issue20476_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  issue20476_test.foo = function() {
+    try {
+      try {
+        return 1;
+      } catch (e1) {
+      }
+ finally {
+        return 3;
+      }
+    } catch (e2) {
+    }
+ finally {
+      return 5;
+    }
+  };
+  dart.fn(issue20476_test.foo, VoidTodynamic());
+  issue20476_test.main = function() {
+    expect$.Expect.equals(5, issue20476_test.foo());
+  };
+  dart.fn(issue20476_test.main, VoidTodynamic());
+  // Exports:
+  exports.issue20476_test = issue20476_test;
+});