diff -r 71fef5fae9cc -r 562bf1878089 src/hotspot/os/solaris/os_solaris.hpp
--- a/src/hotspot/os/solaris/os_solaris.hpp	Wed Oct 16 14:32:17 2019 -0700
+++ b/src/hotspot/os/solaris/os_solaris.hpp	Thu Oct 17 00:00:13 2019 +0200
@@ -271,10 +271,6 @@
 
   static void correct_stack_boundaries_for_primordial_thread(Thread* thr);
 
-  // Stack overflow handling
-
-  static int max_register_window_saves_before_flushing();
-
   // Stack repair handling
 
   // none present