From: Joe Wreschnig <joe.wreschnig@gmail.com>
Date: Tue, 23 Sep 2014 12:15:03 +0000 (+0200)
Subject: Work around a Safari JIT bug.
X-Git-Url: https://git.yukkurigames.com/?p=yuu.git;a=commitdiff_plain;h=870ba16684b6eab5b8b14a3523e8b6f2e075c675

Work around a Safari JIT bug.
---

diff --git a/src/yuu/yf.js b/src/yuu/yf.js
index 5df966d..3ea8b20 100644
--- a/src/yuu/yf.js
+++ b/src/yuu/yf.js
@@ -197,8 +197,17 @@
         case 1: return function () { return f.call(this, arguments); };
         default:
             return function () {
-                arguments[length - 1] = slice(arguments, length - 1);
-                return f.apply(this, arguments);
+                /* The following code can do this without creating a
+                   new array, but it causes function calls to randomly
+                   not happen in Safari (Mobile and OS X) - presumably
+                   due to some JIT bug, because surrounding it in
+                   an empty try/catch block also makes it work.
+                   
+                   arguments[length - 1] = slice(arguments, length - 1);
+                */
+                var args = slice(arguments, 0, length - 1);
+                args.push(slice(arguments, length - 1));
+                return f.apply(this, args);
             };
         }
     }