From 0cd6070d58049f07dfcc2ad986569c7e8a236a97 Mon Sep 17 00:00:00 2001
From: Roland Westrelin <roland@openjdk.org>
Date: Mon, 15 Feb 2016 15:15:56 +0100
Subject: [PATCH] 8149797: Compilation fails with "assert(in_hash) failed: node
 should be in igvn hash table"

Node replaced by dominating dead cast during parsing

Reviewed-by: kvn
---
 hotspot/src/share/vm/opto/castnode.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hotspot/src/share/vm/opto/castnode.cpp b/hotspot/src/share/vm/opto/castnode.cpp
index b3a9c04b40d..5dc76a95736 100644
--- a/hotspot/src/share/vm/opto/castnode.cpp
+++ b/hotspot/src/share/vm/opto/castnode.cpp
@@ -124,6 +124,7 @@ TypeNode* ConstraintCastNode::dominating_cast(PhaseTransform *phase) const {
   for (DUIterator_Fast imax, i = val->fast_outs(imax); i < imax; i++) {
     Node* u = val->fast_out(i);
     if (u != this &&
+        u->outcnt() > 0 &&
         u->Opcode() == opc &&
         u->in(0) != NULL &&
         u->bottom_type()->higher_equal(type())) {