--- old/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp	2019-09-09 15:08:46.339887470 +0200
+++ new/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp	2019-09-09 15:08:46.167902027 +0200
@@ -2557,13 +2557,8 @@
       tty->print_cr("r31 = 0x%016lx", regs[31]);
       BREAKPOINT;
     }
-    ThreadStateTransition::transition(thread, _thread_in_vm, saved_state);
-  } else {
-    ttyLocker ttyl;
-    ::tty->print_cr("=============== DEBUG MESSAGE: %s ================\n",
-                    msg);
-    assert(false, "DEBUG MESSAGE: %s", msg);
   }
+  fatal("DEBUG MESSAGE: %s", msg);
 }
 
 void MacroAssembler::push_call_clobbered_registers() {