--- old/src/hotspot/cpu/x86/sharedRuntime_x86_64.cpp	2017-10-30 05:12:19.811992378 -0700
+++ new/src/hotspot/cpu/x86/sharedRuntime_x86_64.cpp	2017-10-30 05:12:19.450958890 -0700
@@ -2183,7 +2183,7 @@
   // critical natives they are offset down.
   GrowableArray<int> arg_order(2 * total_in_args);
   VMRegPair tmp_vmreg;
-  tmp_vmreg.set1(rbx->as_VMReg());
+  tmp_vmreg.set2(rbx->as_VMReg());
 
   if (!is_critical_native) {
     for (int i = total_in_args - 1, c_arg = total_c_args - 1; i >= 0; i--, c_arg--) {