--- old/src/cpu/aarch64/vm/templateTable_aarch64.cpp	2017-09-13 22:19:48.977208439 -0700
+++ new/src/cpu/aarch64/vm/templateTable_aarch64.cpp	2017-09-13 22:19:48.891200460 -0700
@@ -2195,6 +2195,13 @@
     __ bind(skip_register_finalizer);
   }
 
+  // Explicitly reset last_sp, for handling special case in TemplateInterpreter::deopt_reexecute_entry
+#ifdef ASSERT 
+  if (state == vtos) {
+    __ str(zr, Address(rfp, frame::interpreter_frame_last_sp_offset * wordSize));
+  }
+#endif
+
   // Issue a StoreStore barrier after all stores but before return
   // from any constructor for any class with a final field.  We don't
   // know if this is a finalizer, so we always do so.
--- old/src/cpu/arm/vm/templateTable_arm.cpp	2017-09-13 22:19:49.346242674 -0700
+++ new/src/cpu/arm/vm/templateTable_arm.cpp	2017-09-13 22:19:49.264235066 -0700
@@ -2844,6 +2844,14 @@
     __ bind(skip_register_finalizer);
   }
 
+  // Explicitly reset last_sp, for handling special case in TemplateInterpreter::deopt_reexecute_entry
+#if !defined(AARCH64) && defined(ASSERT)
+  if (state == vtos) {
+    __ mov(Rtemp, 0);
+    __ str(Rtemp, Address(FP, frame::interpreter_frame_last_sp_offset * wordSize));
+  }
+#endif
+
   // Narrow result if state is itos but result type is smaller.
   // Need to narrow in the return bytecode rather than in generate_return_entry
   // since compiled code callers expect the result to already be narrowed.
--- old/src/cpu/x86/vm/templateTable_x86.cpp	2017-09-13 22:19:49.732278486 -0700
+++ new/src/cpu/x86/vm/templateTable_x86.cpp	2017-09-13 22:19:49.647270600 -0700
@@ -2563,6 +2563,13 @@
     __ bind(skip_register_finalizer);
   }
 
+  // Explicitly reset last_sp, for handling special case in TemplateInterpreter::deopt_reexecute_entry
+#ifdef ASSERT 
+  if (state == vtos) {
+    __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
+  }
+#endif
+
   // Narrow result if state is itos but result type is smaller.
   // Need to narrow in the return bytecode rather than in generate_return_entry
   // since compiled code callers expect the result to already be narrowed.
--- /dev/null	2017-07-29 03:48:17.651000000 -0700
+++ new/test/compiler/runtime/Test8168712.java	2017-09-13 22:19:50.015304743 -0700
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @requires vm.simpleArch == "x64" & vm.debug
+ * @bug 8168712
+ *
+ * @run main/othervm -XX:CompileCommand=compileonly,Test8168712.* -XX:CompileCommand=compileonly,*Object.* -XX:+DTraceMethodProbes -XX:-UseOnStackReplacement -XX:+DeoptimizeRandom compiler.runtime.Test8168712
+ */
+package compiler.runtime;
+
+import java.util.*;
+
+public class Test8168712 {
+    static HashSet<Test8168712> m = new HashSet<>();
+    public static void main(String args[]) {
+        int i = 0;
+        while (i++<15000) {
+            test();
+        }
+    }
+    static Test8168712 test() {
+        return new Test8168712();
+    }
+    protected void finalize() {
+        m.add(this);
+    }
+}