From c106fe9b9e17ce7cf338fa9827b786fce0b59124 Mon Sep 17 00:00:00 2001
From: Mehdi Amini <mehdi.amini@apple.com>
Date: Wed, 10 Feb 2016 23:24:21 +0000
Subject: [PATCH] Add the ability to initialize a StringSet from a pair of
 iterators (NFC)

From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 260461
---
 include/llvm/ADT/StringSet.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/llvm/ADT/StringSet.h b/include/llvm/ADT/StringSet.h
index 08626dc7af8..c32c2a49743 100644
--- a/include/llvm/ADT/StringSet.h
+++ b/include/llvm/ADT/StringSet.h
@@ -33,6 +33,12 @@ namespace llvm {
       assert(!Key.empty());
       return base::insert(std::make_pair(Key, '\0'));
     }
+
+    template <typename InputIt>
+    void insert(const InputIt &Begin, const InputIt &End) {
+      for (auto It = Begin; It != End; ++It)
+        base::insert(std::make_pair(*It, '\0'));
+    }
   };
 }