--- old/src/share/vm/jvmci/jvmciCompilerToVM.cpp	2016-04-06 17:17:39.698383848 +0200
+++ new/src/share/vm/jvmci/jvmciCompilerToVM.cpp	2016-04-06 17:17:39.570383846 +0200
@@ -147,9 +147,9 @@
 
 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;
 
-jbyte* CompilerToVM::Data::cardtable_start_address;
+volatile jbyte* CompilerToVM::Data::cardtable_start_address;
 int CompilerToVM::Data::cardtable_shift;
 
 int CompilerToVM::Data::vm_page_size;
@@ -179,7 +179,7 @@
 
   _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;
 
   BarrierSet* bs = Universe::heap()->barrier_set();
   switch (bs->kind()) {
@@ -188,7 +188,7 @@
   case BarrierSet::CardTableExtension:
   case BarrierSet::G1SATBCT:
   case BarrierSet::G1SATBCTLogging: {
-    jbyte* base = barrier_set_cast<CardTableModRefBS>(bs)->byte_map_base;
+    volatile jbyte* base = barrier_set_cast<CardTableModRefBS>(bs)->byte_map_base;
     assert(base != 0, "unexpected byte_map_base");
     cardtable_start_address = base;
     cardtable_shift = CardTableModRefBS::card_shift;
@@ -1340,7 +1340,7 @@
     THROW(vmSymbols::java_lang_ArrayIndexOutOfBoundsException());
   }
   while (length > 0) {
-    jbyte* start = array->byte_at_addr(offset);
+    volatile jbyte* start = array->byte_at_addr(offset);
     tty->write((char*) start, MIN2(length, O_BUFLEN));
     length -= O_BUFLEN;
     offset += O_BUFLEN;
@@ -1492,4 +1492,3 @@
 int CompilerToVM::methods_count() {
   return sizeof(methods) / sizeof(JNINativeMethod);
 }
-