diff --git a/lib/babel/transformation/transformers/es6/destructuring.js b/lib/babel/transformation/transformers/es6/destructuring.js
index b1ae7cc4c7..17549960e6 100644
--- a/lib/babel/transformation/transformers/es6/destructuring.js
+++ b/lib/babel/transformation/transformers/es6/destructuring.js
@@ -168,6 +168,7 @@ DestructuringTransformer.prototype.canUnpackArrayPattern = function (pattern, ar
 
   // pattern has less elements than the array and doesn't have a rest so some
   // elements wont be evaluated
+  if (pattern.elements.length > arr.elements.length) return;
   if (pattern.elements.length < arr.elements.length && !hasRest(pattern)) return false;
 
   // deopt on holes
@@ -418,7 +419,7 @@ exports.AssignmentExpression = function (node, parent, scope, file) {
   return t.toSequenceExpression(nodes, scope);
 };
 
-var variableDeclarationhasPattern = function (node) {
+var variableDeclarationHasPattern = function (node) {
   for (var i = 0; i < node.declarations.length; i++) {
     if (t.isPattern(node.declarations[i].id)) {
       return true;
@@ -429,7 +430,7 @@ var variableDeclarationhasPattern = function (node) {
 
 exports.VariableDeclaration = function (node, parent, scope, file) {
   if (t.isForInStatement(parent) || t.isForOfStatement(parent)) return;
-  if (!variableDeclarationhasPattern(node)) return;
+  if (!variableDeclarationHasPattern(node)) return;
 
   var nodes = [];
   var declar;