From 1424c35d136029aeadbfd63c89b57ce4e9c87d3f Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Thu, 26 Feb 2015 08:31:49 +1100
Subject: [PATCH] correctly handle SpreadProperty - fixes babel/babel#897

---
 acorn.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/acorn.js b/acorn.js
index 3bbf7badee..c981f9b630 100644
--- a/acorn.js
+++ b/acorn.js
@@ -2312,6 +2312,7 @@
         case "Identifier":
         case "VirtualPropertyExpression":
         case "MemberExpression":
+        case "SpreadProperty":
         case "ObjectPattern":
         case "ArrayPattern":
         case "AssignmentPattern":
@@ -2321,6 +2322,8 @@
           node.type = "ObjectPattern";
           for (var i = 0; i < node.properties.length; i++) {
             var prop = node.properties[i];
+            if (prop.type === "SpreadProperty") continue;
+            
             if (prop.kind !== "init") raise(prop.key.start, "Object pattern can't contain getter or setter");
             toAssignable(prop.value, isBinding);
           }