From 07646475d9c12cde672d3f4e98b2ddf386e14531 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Sat, 28 Mar 2015 05:37:38 +1100
Subject: [PATCH] fix spread binding with the wrong context

---
 src/babel/transformation/transformers/es6/spread.js       | 8 ++------
 .../transformation/es6-destructuring/spread/expected.js   | 1 +
 .../transformation/es6-spread/new-expression/expected.js  | 4 ++--
 3 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/src/babel/transformation/transformers/es6/spread.js b/src/babel/transformation/transformers/es6/spread.js
index d56f9c9c66..5d8abc2f74 100644
--- a/src/babel/transformation/transformers/es6/spread.js
+++ b/src/babel/transformation/transformers/es6/spread.js
@@ -107,13 +107,9 @@ export function NewExpression(node, parent, scope, file) {
 
   var nodes = build(args, scope);
 
-  var first = nodes.shift();
+  var context = t.arrayExpression([t.literal(null)]);
 
-  if (nodes.length) {
-    args = t.callExpression(t.memberExpression(first, t.identifier("concat")), nodes);
-  } else {
-    args = first;
-  }
+  args = t.callExpression(t.memberExpression(context, t.identifier("concat")), nodes);
 
   return t.newExpression(
     t.callExpression(
diff --git a/test/core/fixtures/transformation/es6-destructuring/spread/expected.js b/test/core/fixtures/transformation/es6-destructuring/spread/expected.js
index 75f6fa8ced..2e86d3b1b2 100644
--- a/test/core/fixtures/transformation/es6-destructuring/spread/expected.js
+++ b/test/core/fixtures/transformation/es6-destructuring/spread/expected.js
@@ -5,6 +5,7 @@ function isSorted(_ref) {
 
   var x = _ref2[0];
   var y = _ref2[1];
+
   var wow = _ref2.slice(2);
 
   if (!zs.length) return true;
diff --git a/test/core/fixtures/transformation/es6-spread/new-expression/expected.js b/test/core/fixtures/transformation/es6-spread/new-expression/expected.js
index dce34bd1a3..2b726aaab6 100644
--- a/test/core/fixtures/transformation/es6-spread/new-expression/expected.js
+++ b/test/core/fixtures/transformation/es6-spread/new-expression/expected.js
@@ -1,4 +1,4 @@
 "use strict";
 
-new (babelHelpers.bind.apply(Numbers, babelHelpers.toConsumableArray(nums)))();
-new (babelHelpers.bind.apply(Numbers, [1].concat(babelHelpers.toConsumableArray(nums))))();
+new (babelHelpers.bind.apply(Numbers, [null].concat(babelHelpers.toConsumableArray(nums))))();
+new (babelHelpers.bind.apply(Numbers, [null].concat([1], babelHelpers.toConsumableArray(nums))))();