# HG changeset patch
# User vkempik
# Date 1621525613 0
# Node ID 2d8e910c71e3be9fa39571fca41d007dc39bdde1
# Parent  25016dd2c4cd7115e4da8e50e5f19aa82e5befce
8267235: [macos_aarch64] InterpreterRuntime::throw_pending_exception messing up LR results in crash
Reviewed-by: akozlov, aph

diff -r 25016dd2c4cd -r 2d8e910c71e3 src/cpu/aarch64/vm/macroAssembler_aarch64.cpp
--- a/src/cpu/aarch64/vm/macroAssembler_aarch64.cpp	Tue Jun 24 07:10:06 2014 -0700
+++ b/src/cpu/aarch64/vm/macroAssembler_aarch64.cpp	Thu May 20 15:46:53 2021 +0000
@@ -644,6 +644,11 @@
   // 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);