diff -r 286bee59f34b -r 12eea04c8b06 src/share/vm/gc_implementation/parallelScavenge/psMarkSweepDecorator.cpp
--- a/src/share/vm/gc_implementation/parallelScavenge/psMarkSweepDecorator.cpp	Fri Jun 27 19:12:11 2008 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psMarkSweepDecorator.cpp	Wed Jul 09 15:08:55 2008 -0700
@@ -438,5 +438,7 @@
          "should point inside space");
   space()->set_top(compaction_top());
 
-  if (mangle_free_space) space()->mangle_unused_area();
+  if (mangle_free_space) {
+    space()->mangle_unused_area();
+  }
 }