From 6cd738f33934a93b114d7dd9e4291f87f445c5c4 Mon Sep 17 00:00:00 2001
From: Ted Kremenek <kremenek@apple.com>
Date: Fri, 7 Dec 2012 19:44:12 +0000
Subject: [PATCH] Mark ImmutableMap::remove/add() const.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169629 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/ADT/ImmutableMap.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/llvm/ADT/ImmutableMap.h b/include/llvm/ADT/ImmutableMap.h
index ce27d0536a5..f9baec213a6 100644
--- a/include/llvm/ADT/ImmutableMap.h
+++ b/include/llvm/ADT/ImmutableMap.h
@@ -333,12 +333,12 @@ public:
     if (Root) Root->release();
   }
 
-  ImmutableMapRef add(key_type_ref K, data_type_ref D) {
+  ImmutableMapRef add(key_type_ref K, data_type_ref D) const {
     TreeTy *NewT = Factory->add(Root, std::pair<key_type, data_type>(K, D));
     return ImmutableMapRef(NewT, Factory);
   }
 
-  ImmutableMapRef remove(key_type_ref K) {
+  ImmutableMapRef remove(key_type_ref K) const {
     TreeTy *NewT = Factory->remove(Root, K);
     return ImmutableMapRef(NewT, Factory);
   }