From d6eb4cccbac83fef58e98847178c04bf1b8b0ff2 Mon Sep 17 00:00:00 2001
From: Morgan Deters <mdeters@cs.nyu.edu>
Date: Tue, 17 Jun 2014 17:35:37 -0400
Subject: Another fix for the CASC stuff.

---
 src/expr/node.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/expr/node.h b/src/expr/node.h
index ba139748e..358b7cfcd 100644
--- a/src/expr/node.h
+++ b/src/expr/node.h
@@ -439,7 +439,7 @@ public:
    * explicit Expr(Node) constructor---but that dirties the public
    * interface.
    */
-  inline Expr toExpr();
+  inline Expr toExpr() const;
 
   /**
    * Convert an Expr into a Node.
@@ -1451,7 +1451,7 @@ NodeTemplate<ref_count>::substitute(Iterator substitutionsBegin,
 }
 
 template <bool ref_count>
-inline Expr NodeTemplate<ref_count>::toExpr() {
+inline Expr NodeTemplate<ref_count>::toExpr() const {
   assertTNodeNotExpired();
   return NodeManager::currentNM()->toExpr(*this);
 }
-- 
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