diff -r 474076f73ba1 -r 2615c024f3eb hotspot/src/share/vm/jvmci/jvmciCompilerToVM.hpp
--- a/hotspot/src/share/vm/jvmci/jvmciCompilerToVM.hpp	Tue Sep 20 20:22:19 2016 +0200
+++ b/hotspot/src/share/vm/jvmci/jvmciCompilerToVM.hpp	Tue Sep 20 15:42:17 2016 -0400
@@ -58,7 +58,7 @@
 
     static bool _supports_inline_contig_alloc;
     static HeapWord** _heap_end_addr;
-    static HeapWord** _heap_top_addr;
+    static HeapWord* volatile* _heap_top_addr;
     static int _max_oop_map_stack_offset;
 
     static jbyte* cardtable_start_address;