--- a/hotspot/src/share/vm/c1/c1_LIRGenerator.hpp	Mon May 02 12:14:26 2016 -0400
+++ b/hotspot/src/share/vm/c1/c1_LIRGenerator.hpp	Tue May 03 22:45:27 2016 +0200
@@ -470,7 +470,7 @@
     : _compilation(compilation)
     , _method(method)
     , _virtual_register_number(LIR_OprDesc::vreg_base)
-    , _vreg_flags(NULL, 0, num_vreg_flags) {
+    , _vreg_flags(num_vreg_flags) {
     init();
   }