diff -r b40b0e18a918 -r dfce0539a77d jitcraft/Heap.cpp
--- a/jitcraft/Heap.cpp	Tue Jul 10 02:11:13 2012 -0700
+++ b/jitcraft/Heap.cpp	Wed Jul 11 01:12:54 2012 -0700
@@ -71,7 +71,7 @@
 
     Address addr = mapSpace_.allocate(actualBytes);
     if (!addr) {
-        assert(false);
+        reportOutOfMemory();
         return NULL;
     }
 
@@ -367,3 +367,9 @@
     mark();
     sweep();
 }
+
+void
+Heap::reportOutOfMemory()
+{
+    zone_->reportOutOfMemory();
+}