--- old/src/os_cpu/linux_sparc/vm/os_linux_sparc.cpp	2018-01-24 21:13:46.806909148 -0500
+++ new/src/os_cpu/linux_sparc/vm/os_linux_sparc.cpp	2018-01-24 21:13:46.755909150 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -162,7 +162,7 @@
 }
 
 static void current_stack_region(address* bottom, size_t* size) {
-  if (os::Linux::is_initial_thread()) {
+  if (os::is_primordial_thread()) {
     // initial thread needs special handling because pthread_getattr_np()
     // may return bogus value.
     *bottom = os::Linux::initial_thread_stack_bottom();