Re-re-land "[es6] Implement destructuring binding in try/catch"

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

Index: test/message/try-catch-variable-conflict.js
diff --git a/test/message/destructuring-decl-no-init-array.js b/test/message/try-catch-variable-conflict.js
similarity index 86%
copy from test/message/destructuring-decl-no-init-array.js
copy to test/message/try-catch-variable-conflict.js
index 7a4fb00f596eba5c378c472d819cfd43218bd224..9b0749b28caaf35af16d9f2f47b7538eabfefc63 100644
--- a/test/message/destructuring-decl-no-init-array.js
+++ b/test/message/try-catch-variable-conflict.js
@@ -4,4 +4,7 @@
 //
 // Flags: --harmony-destructuring
 
-var [ a, b, c ];
+try {
+} catch ({x}) {
+  var x;
+}