diff -r e3e1fb85e50a -r 9eecf81a02fb src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.cpp
--- a/src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.cpp	Mon Nov 15 16:25:14 2010 -0800
+++ b/src/share/vm/gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.cpp	Tue Nov 16 13:58:48 2010 -0800
@@ -1093,8 +1093,9 @@
 // perm_gen_verify_bit_map where we store the "deadness" information if
 // we did not sweep the perm gen in the most recent previous GC cycle.
 bool CompactibleFreeListSpace::obj_is_alive(const HeapWord* p) const {
+  assert(SafepointSynchronize::is_at_safepoint() || !is_init_completed(),
+         "Else races are possible");
   assert(block_is_obj(p), "The address should point to an object");
-  assert(SafepointSynchronize::is_at_safepoint(), "Else races are possible");
 
   // If we're sweeping, we use object liveness information from the main bit map
   // for both perm gen and old gen.