--- a/hotspot/src/share/vm/jvmci/jvmciCompilerToVM.cpp	Mon Sep 19 15:08:03 2016 +0200
+++ b/hotspot/src/share/vm/jvmci/jvmciCompilerToVM.cpp	Mon Sep 26 14:21:21 2016 -0400
@@ -112,7 +112,7 @@
 
 bool       CompilerToVM::Data::_supports_inline_contig_alloc;
 HeapWord** CompilerToVM::Data::_heap_end_addr;
-HeapWord** CompilerToVM::Data::_heap_top_addr;
+HeapWord* volatile* CompilerToVM::Data::_heap_top_addr;
 int CompilerToVM::Data::_max_oop_map_stack_offset;
 
 jbyte* CompilerToVM::Data::cardtable_start_address;
@@ -153,7 +153,7 @@
 
   _supports_inline_contig_alloc = Universe::heap()->supports_inline_contig_alloc();
   _heap_end_addr = _supports_inline_contig_alloc ? Universe::heap()->end_addr() : (HeapWord**) -1;
-  _heap_top_addr = _supports_inline_contig_alloc ? Universe::heap()->top_addr() : (HeapWord**) -1;
+  _heap_top_addr = _supports_inline_contig_alloc ? Universe::heap()->top_addr() : (HeapWord* volatile*) -1;
 
   _max_oop_map_stack_offset = (OopMapValue::register_mask - VMRegImpl::stack2reg(0)->value()) * VMRegImpl::stack_slot_size;
   int max_oop_map_stack_index = _max_oop_map_stack_offset / VMRegImpl::stack_slot_size;
@@ -1628,4 +1628,3 @@
 int CompilerToVM::methods_count() {
   return sizeof(methods) / sizeof(JNINativeMethod);
 }
-