Fix 'combo breaker' in CreateDynamicFunction to handle template literals.

test/mjsunit/regress-crbug-663410.js

Index: test/mjsunit/regress-crbug-663410.js
diff --git a/test/mjsunit/regress-crbug-663410.js b/test/mjsunit/regress-crbug-663410.js
new file mode 100644
index 0000000000000000000000000000000000000000..5bef089f11722cc2e2f97ddab9d0773cb293172d
--- /dev/null
+++ b/test/mjsunit/regress-crbug-663410.js
@@ -0,0 +1,8 @@
+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+function alert(x) {};
+assertThrows(
+  Function("a=`","`,xss=1){alert(xss)")
+);