--- old/src/cpu/x86/vm/nativeInst_x86.cpp	2014-04-24 15:53:02.000000000 -1000
+++ new/src/cpu/x86/vm/nativeInst_x86.cpp	2014-04-24 15:53:02.000000000 -1000
@@ -515,9 +515,9 @@
 }
 
 void NativePopReg::insert(address code_pos, Register reg) {
-  assert(reg->encoding() < 8, "no space for REX");
+  assert(reg.encoding() < 8, "no space for REX");
   assert(NativePopReg::instruction_size == sizeof(char), "right address unit for update");
-  *code_pos = (u_char)(instruction_code | reg->encoding());
+  *code_pos = (u_char)(instruction_code | reg.encoding());
   ICache::invalidate_range(code_pos, instruction_size);
 }