From 632d2a52110aad1ced14d53ada01d930b79862e0 Mon Sep 17 00:00:00 2001
From: Robert Maynard <robert.maynard@kitware.com>
Date: Tue, 15 Nov 2016 17:03:59 -0500
Subject: [PATCH] Thrust 1.8.3 uses raw_reference_cast instead of a direct
 assignment operator

This usage of raw_referenc_cast returns a const PortalValue which is than
assigned too. So to work around the problem we need to mark operator= on
the class as const.
---
 vtkm/exec/cuda/internal/IteratorFromArrayPortal.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vtkm/exec/cuda/internal/IteratorFromArrayPortal.h b/vtkm/exec/cuda/internal/IteratorFromArrayPortal.h
index 474b2de79..206ffa5f9 100644
--- a/vtkm/exec/cuda/internal/IteratorFromArrayPortal.h
+++ b/vtkm/exec/cuda/internal/IteratorFromArrayPortal.h
@@ -65,7 +65,7 @@ struct PortalValue
   }
 
   VTKM_EXEC_EXPORT
-  ValueType operator=(const ValueType& value)
+  ValueType operator=(const ValueType& value) const
   {
     this->Portal.Set(this->Index, value);
     return value;