--- a/hotspot/src/share/vm/memory/heap.hpp	Thu Feb 09 19:08:32 2017 -0800
+++ b/hotspot/src/share/vm/memory/heap.hpp	Fri Feb 10 08:16:49 2017 +0100
@@ -153,7 +153,9 @@
   char* high() const                             { return _memory.high(); }
   char* high_boundary() const                    { return _memory.high_boundary(); }
 
-  virtual bool  contains(const void* p) const    { return low_boundary() <= p && p < high(); }
+  virtual bool contains(const void* p) const     { return low_boundary() <= p && p < high(); }
+  virtual bool contains_blob(const CodeBlob* blob) const { return low_boundary() <= (char*) blob && (char*) blob < high(); }
+
   virtual void* find_start(void* p)     const;   // returns the block containing p or NULL
   virtual CodeBlob* find_blob_unsafe(void* start) const;
   size_t alignment_unit()       const;           // alignment of any block