1.1 --- a/src/Heap.cpp	Tue Dec 25 17:02:07 2012 -0800
     1.2 +++ b/src/Heap.cpp	Tue Dec 25 18:13:02 2012 -0800
     1.3 @@ -350,7 +350,7 @@
     1.4  Heap::sweep()
     1.5  {
     1.6      // Before destroying mark bits, sweep weak roots.
     1.7 -    zone_->symbols()->sweep();
     1.8 +    zone_->sweepWeakRoots();
     1.9  
    1.10      // Note: we don't bother sweeping the LIFO space.
    1.11      SweepOldSpace(&mapSpace_);