Do not memoize all URI objects to the same key.

Fixes #1874
greasemonkey · Mar 21, 2014 · fc6ffb5 · fc6ffb5
1 parent 59f0776
commit fc6ffb5
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/modules/util/memoize.js b/modules/util/memoize.js
@@ -16,6 +16,12 @@ function memoize(func, limit) {
 
   return function(a) {
     var args = Array.prototype.slice.call(arguments);
+    args.forEach(function(aVal, aIndex) {
+      if (aVal instanceof Components.interfaces.nsIURI) {
+        // See #1874
+        args[aIndex] = aVal.spec;
+      }
+    });
     var key = uneval(args);
     if (key in cache) return cache[key];