diff -r 3c048df3ef8b -r ee019285a52c src/share/vm/gc_implementation/shared/parGCAllocBuffer.hpp
--- a/src/share/vm/gc_implementation/shared/parGCAllocBuffer.hpp	Thu Aug 07 18:09:12 2014 -0700
+++ b/src/share/vm/gc_implementation/shared/parGCAllocBuffer.hpp	Mon Aug 04 10:48:10 2014 -0700
@@ -24,7 +24,7 @@
 
 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARNEW_PARGCALLOCBUFFER_HPP
 #define SHARE_VM_GC_IMPLEMENTATION_PARNEW_PARGCALLOCBUFFER_HPP
-
+#include "gc_interface/collectedHeap.hpp"
 #include "memory/allocation.hpp"
 #include "memory/blockOffsetTable.hpp"
 #include "memory/threadLocalAllocBuffer.hpp"
@@ -84,6 +84,9 @@
     }
   }
 
+  // Allocate the object aligned to "alignment_in_bytes".
+  HeapWord* allocate_aligned(size_t word_sz, unsigned short alignment_in_bytes);
+
   // Undo the last allocation in the buffer, which is required to be of the
   // "obj" of the given "word_sz".
   void undo_allocation(HeapWord* obj, size_t word_sz) {