Add 'for(using of=' test

Author: rbuckton

test/language/statements/using/syntax/using-for-statement.js

@@ -0,0 +1,14 @@
+// Copyright (C) 2011 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-for-statement
+description: >
+    using: 'for (using x = ' and 'for (using of =' are interpreted as for loop
+features: [explicit-resource-management]
+---*/
+
+for (using x = null;;) break;
+
+// 'using of' lookahead restriction only applies to 'for-of'/'for-await-of'. In 'for' statement it is
+// handled similar to `for (let of = null;;)`:
+for (using of = null;;) break;