Revert "Revert of [es6] Implement destructuring binding in try/catch"

test/message/try-catch-lexical-conflict.js

Index: test/message/try-catch-lexical-conflict.js
diff --git a/test/message/destructuring-decl-no-init-obj2.js b/test/message/try-catch-lexical-conflict.js
similarity index 81%
copy from test/message/destructuring-decl-no-init-obj2.js
copy to test/message/try-catch-lexical-conflict.js
index 928434acf52638a28a08493ec518a7ad30b46780..efb1ec7e015be38b408cfc877576151393154e0d 100644
--- a/test/message/destructuring-decl-no-init-obj2.js
+++ b/test/message/try-catch-lexical-conflict.js
@@ -4,4 +4,8 @@
 //
 // Flags: --harmony-destructuring
 
-for (var { a, b, c }; a && b && c; ) {}
+"use strict";
+try {
+} catch ({x}) {
+  let x;
+}