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

test/mjsunit/harmony/destructuring.js

 // Copyright 2015 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.
 //
 // Flags: --harmony-destructuring
 // Flags: --harmony-default-parameters --harmony-rest-parameters
 
 (function TestObjectLiteralPattern() {
   var { x : x, y : y, get, set } = { x : 1, y : 2, get: 3, set: 4 };
   assertEquals(1, x);
@@ skipping 1080 matching lines @@
   assertThrows(
     function(){ eval("(class{foo({}) {'use strict';}});") }, SyntaxError);
 
   assertThrows(
     function(){ eval("function(a, {}){'use strict';}") }, SyntaxError);
   assertThrows(function(){ eval("(a, {}) => {'use strict';}") }, SyntaxError);
   assertThrows(
     function(){ eval("(class{foo(a, {}) {'use strict';}});") }, SyntaxError);
 })();
 
+
 (function TestLegacyConstDestructuringInForLoop() {
   var result;
   for (const {foo} of [{foo: 1}]) { result = foo; }
   assertEquals(1, result);
 })();
+
+
+(function TestCatch() {
+  "use strict";
+
+  // For testing proper scoping.
+  var foo = "hello", bar = "world", baz = 42;
+
+  try {
+    throw {foo: 1, bar: 2};
+  } catch ({foo, bar, baz = 3}) {
+    assertEquals(1, foo);
+    assertEquals(2, bar);
+    assertEquals(3, baz);
+  }
+
+  try {
+    throw [1, 2, 3];
+  } catch ([foo, ...bar]) {
+    assertEquals(1, foo);
+    assertEquals([2, 3], bar);
+  }
+
+  assertEquals("hello", foo);
+  assertEquals("world", bar);
+  assertEquals(42, baz);
+})();