Index: lib/libc/locale/xlocale_private.h
===================================================================
--- lib/libc/locale/xlocale_private.h
+++ lib/libc/locale/xlocale_private.h
@@ -144,7 +144,7 @@
 xlocale_retain(void *val)
 {
 	struct xlocale_refcounted *obj = val;
-	atomic_add_long(&(obj->retain_count), 1);
+	atomic_add_long((volatile u_long *)&(obj->retain_count), 1);
 	return (val);
 }
 /**
@@ -157,7 +157,7 @@
 	struct xlocale_refcounted *obj = val;
 	long count;
 
-	count = atomic_fetchadd_long(&(obj->retain_count), -1) - 1;
+	count = atomic_fetchadd_long((volatile u_long *)&(obj->retain_count), -1) - 1;
 	if (count < 0 && obj->destructor != NULL)
 		obj->destructor(obj);
 }