--- old/src/share/vm/opto/regmask.cpp	2016-04-03 23:32:43.935018620 -0700
+++ new/src/share/vm/opto/regmask.cpp	2016-04-03 23:32:43.743001459 -0700
@@ -389,7 +389,7 @@
 //------------------------------Size-------------------------------------------
 // Compute size of register mask in bits
 uint RegMask::Size() const {
-  extern uint8_t bitsInByte[512];
+  extern uint8_t bitsInByte[BITS_IN_BYTE_ARRAY_SIZE];
   uint sum = 0;
   for( int i = 0; i < RM_SIZE; i++ )
     sum +=