--- a/hotspot/src/share/vm/runtime/java.cpp	Fri Oct 23 14:33:19 2015 +0300
+++ b/hotspot/src/share/vm/runtime/java.cpp	Mon Oct 26 08:34:25 2015 -0700
@@ -575,6 +575,11 @@
 void vm_abort(bool dump_core) {
   vm_perform_shutdown_actions();
   os::wait_for_keypress_at_exit();
+
+  // Flush stdout and stderr before abort.
+  fflush(stdout);
+  fflush(stderr);
+
   os::abort(dump_core);
   ShouldNotReachHere();
 }