--- old/src/os/aix/vm/os_aix.cpp	2018-01-24 21:13:45.073909232 -0500
+++ new/src/os/aix/vm/os_aix.cpp	2018-01-24 21:13:45.021909234 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2012, 2014 SAP AG. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -410,7 +410,7 @@
   // thread (because primordial thread's stack may have different page size than
   // pthread thread stacks). Running a VM on the primordial thread won't work for a
   // number of reasons so we may just as well guarantee it here
-  guarantee(!os::Aix::is_primordial_thread(), "Must not be called for primordial thread");
+  guarantee(!os::is_primordial_thread(), "Must not be called for primordial thread");
 
   // query stack page size
   {
@@ -3835,7 +3835,7 @@
 
   ThreadCritical::initialize();
 
-  // Main_thread points to the aboriginal thread.
+  // _main_thread points to the thread that created/loaded the JVM.
   Aix::_main_thread = pthread_self();
 
   initial_time_count = os::elapsed_counter();
@@ -4511,7 +4511,7 @@
   }
 }
 
-bool os::Aix::is_primordial_thread() {
+bool os::is_primordial_thread(void) {
   if (pthread_self() == (pthread_t)1) {
     return true;
   } else {