java/openjdk12/files/patch-commit-34ae46e2bca


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commit 34ae46e2bca691f989d4d84129baf545ff8a7469
Author: Andrew Haley <aph@openjdk.org>
Date:   Thu Mar 19 14:53:57 2020 +0000

    8241296: Segfault in JNIHandleBlock::oops_do()
    
    Reviewed-by: stefank

diff --git src/hotspot/share/runtime/thread.cpp src/hotspot/share/runtime/thread.cpp
index b93e70a0353..b1571f2d594 100644
--- src/hotspot/share/runtime/thread.cpp
+++ src/hotspot/share/runtime/thread.cpp
@@ -888,7 +888,9 @@ bool Thread::claim_par_threads_do(uintx claim_token) {
 }
 
 void Thread::oops_do(OopClosure* f, CodeBlobClosure* cf) {
-  active_handles()->oops_do(f);
+  if (active_handles() != NULL) {
+    active_handles()->oops_do(f);
+  }
   // Do oop for ThreadShadow
   f->do_oop((oop*)&_pending_exception);
   handle_area()->oops_do(f);