--- a/src/hotspot/share/aot/aotCompiledMethod.cpp	Mon Jun 24 16:51:23 2019 -0400
+++ b/src/hotspot/share/aot/aotCompiledMethod.cpp	Mon Jun 24 22:38:17 2019 -0400
@@ -165,7 +165,7 @@
 
   {
     // Enter critical section.  Does not block for safepoint.
-    MutexLocker pl(CompiledMethod_lock, Mutex::_no_safepoint_check_flag);
+    MutexLocker pl(Patching_lock, Mutex::_no_safepoint_check_flag);
 
     if (*_state_adr == new_state) {
       // another thread already performed this transition so nothing
@@ -188,10 +188,12 @@
 #endif
 
     // Remove AOTCompiledMethod from method.
-    if (method() != NULL) {
-      method()->unlink_code(this);
+    if (method() != NULL && (method()->code() == this ||
+                             method()->from_compiled_entry() == verified_entry_point())) {
+      HandleMark hm;
+      method()->clear_code(false /* already owns Patching_lock */);
     }
-  } // leave critical region under CompiledMethod_lock
+  } // leave critical region under Patching_lock
 
 
   if (TraceCreateZombies) {
@@ -214,7 +216,7 @@
 
   {
     // Enter critical section.  Does not block for safepoint.
-    MutexLocker pl(CompiledMethod_lock, Mutex::_no_safepoint_check_flag);
+    MutexLocker pl(Patching_lock, Mutex::_no_safepoint_check_flag);
 
     if (*_state_adr == in_use) {
       // another thread already performed this transition so nothing
@@ -228,7 +230,7 @@
 
     // Log the transition once
     log_state_change();
-  } // leave critical region under CompiledMethod_lock
+  } // leave critical region under Patching_lock
 
 
   if (TraceCreateZombies) {