8267235: [macos_aarch64] InterpreterRuntime::throw_pending_exception messing up LR results in crash

Reviewed-by: akozlov, aph

Author: Vladimir Kempik

src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp

@@ -678,6 +678,11 @@ void MacroAssembler::call_VM_base(Register oop_result,
   // do the call, remove parameters
   MacroAssembler::call_VM_leaf_base(entry_point, number_of_arguments, &l);
 
+  // lr could be poisoned with PAC signature during throw_pending_exception
+  // if it was tail-call optimized by compiler, since lr is not callee-saved
+  // reload it with proper value
+  adr(lr, l);
+
   // reset last Java frame
   // Only interpreter should have to clear fp
   reset_last_Java_frame(true);