--- old/src/hotspot/os/aix/os_aix.cpp	Tue Nov 14 05:34:00 2017
+++ new/src/hotspot/os/aix/os_aix.cpp	Tue Nov 14 05:33:59 2017
@@ -399,7 +399,7 @@
   // 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.
-  guarantee0(!os::Aix::is_primordial_thread());
+  guarantee0(!os::is_primordial_thread());
 
   // Query pthread stack page size. Should be the same as data page size because
   // pthread stacks are allocated from C-Heap.
@@ -3987,7 +3987,7 @@
   }
 }
 
-bool os::Aix::is_primordial_thread() {
+bool os::is_primordial_thread(void) {
   if (pthread_self() == (pthread_t)1) {
     return true;
   } else {