From e42ea9e8300c75b9e7aeb68f380b3c0089b6e8c7 Mon Sep 17 00:00:00 2001
From: mclarsen <larsen30@llnl.gov>
Date: Mon, 30 Jul 2018 12:56:12 -0700
Subject: [PATCH] fixing bvh warning with gcc8

---
 vtkm/rendering/raytracing/BoundingVolumeHierarchy.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vtkm/rendering/raytracing/BoundingVolumeHierarchy.cxx b/vtkm/rendering/raytracing/BoundingVolumeHierarchy.cxx
index e8e73e01a..34b1d0472 100644
--- a/vtkm/rendering/raytracing/BoundingVolumeHierarchy.cxx
+++ b/vtkm/rendering/raytracing/BoundingVolumeHierarchy.cxx
@@ -426,7 +426,7 @@ public:
         cThird4Vec[3] = vtkm::Max(cSecond4Vec[1], cThird4Vec[3]);
         FlatBVH.Set(currentNodeOffset + 2, cThird4Vec);
       }
-      vtkm::Vec<vtkm::Float32, 4> fourth4Vec;
+      vtkm::Vec<vtkm::Float32, 4> fourth4Vec(0.f, 0.f, 0.f, 0.f);
       vtkm::Int32 leftChild =
         static_cast<vtkm::Int32>((childVector[0] >= 0) ? childVector[0] * 4 : childVector[0]);
       memcpy(&fourth4Vec[0], &leftChild, 4);