Check in codegen test expectations.

test/codegen/expect/language/issue9664_test.js

Index: test/codegen/expect/language/issue9664_test.js
diff --git a/test/codegen/expect/language/issue9664_test.js b/test/codegen/expect/language/issue9664_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..f8de2383922b41d30edcf2a15d7d1669641fc6c4
--- /dev/null
+++ b/test/codegen/expect/language/issue9664_test.js
@@ -0,0 +1,17 @@
+dart_library.library('language/issue9664_test', null, /* Imports */[
+  'dart_sdk'
+], function load__issue9664_test(exports, dart_sdk) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const issue9664_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  issue9664_test.main = function() {
+    while (true ? true : true)
+      break;
+  };
+  dart.fn(issue9664_test.main, VoidTodynamic());
+  // Exports:
+  exports.issue9664_test = issue9664_test;
+});