8221735: Shenandoah fails ctw/modules/jdk_management_agent.java with Traversal

Reviewed-by: rkennke, roland
2019-04-01 13:33:58 +02:00 · 2019-04-01 13:33:58 +02:00 · 18c4faf2cf
commit 18c4faf2cf
parent 2cf209bd92
1 changed files with 1 additions and 0 deletions
--- a/src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp
+++ b/src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp
@ -3400,6 +3400,7 @@ const Type* ShenandoahEnqueueBarrierNode::Value(PhaseGVN* phase) const {
 int ShenandoahEnqueueBarrierNode::needed(Node* n) {
  if (n == NULL ||
      n->is_Allocate() ||
+      n->Opcode() == Op_ShenandoahEnqueueBarrier ||
      n->bottom_type() == TypePtr::NULL_PTR ||
      (n->bottom_type()->make_oopptr() != NULL && n->bottom_type()->make_oopptr()->const_oop() != NULL)) {
    return NotNeeded;