Merge pull request #788 from magcius/incoming

Don't abort for libraries that modify Array.prototype (MooTools, maybe more)

2 files changed, 2 insertions, 1 deletions

diff --git a/AUTHORS b/AUTHORS
index d4e80f3f..dbe18ffe 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -45,3 +45,4 @@ a license to everyone to use it as detailed in LICENSE.)
 * Alan Kligman <alan.kligman@gmail.com> (copyright owned by Mozilla Foundation)
 * Anthony Liot <wolfviking0@yahoo.com>
 * Michael Riss <Michael.Riss@gmx.de>
+* Jasper St. Pierre <jstpierre@mecheye.net>
diff --git a/src/library.js b/src/library.js
index 53ebbf15..0a8e862a 100644
--- a/src/library.js
+++ b/src/library.js
@@ -52,7 +52,7 @@ LibraryManager.library = {
     streams: [null],
 #if ASSERTIONS
     checkStreams: function() {
-      for (var i in FS.streams) assert(i >= 0 && i < FS.streams.length); // no keys not in dense span
+      for (var i in FS.streams) if (FS.streams.hasOwnProperty(i)) assert(i >= 0 && i < FS.streams.length); // no keys not in dense span
       for (var i = 0; i < FS.streams.length; i++) assert(typeof FS.streams[i] == 'object'); // no non-null holes in dense span
     },
 #endif