From 91171c5406aa7a808cfb281b48793f84db14077e Mon Sep 17 00:00:00 2001
From: Ted Kremenek <kremenek@apple.com>
Date: Thu, 10 Jul 2008 22:57:10 +0000
Subject: [PATCH] Added ImmutableMap constructor that accepts a const TreeTy*.

llvm-svn: 53429
---
 include/llvm/ADT/ImmutableMap.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/llvm/ADT/ImmutableMap.h b/include/llvm/ADT/ImmutableMap.h
index ae2a335942d..bbf34c566d8 100644
--- a/include/llvm/ADT/ImmutableMap.h
+++ b/include/llvm/ADT/ImmutableMap.h
@@ -76,7 +76,8 @@ public:
   /// should use a Factory object to create maps instead of directly
   /// invoking the constructor, but there are cases where make this
   /// constructor public is useful.
-  explicit ImmutableMap(TreeTy* R) : Root(R) {}
+  explicit ImmutableMap(TreeTy* R) : Root(R) {}  
+  explicit ImmutableMap(const TreeTy* R) : Root(const_cast<TreeTy*>(R)) {}
   
   class Factory {
     typename TreeTy::Factory F;