Give ImmutableIntervalMap.h an include guard.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130094 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/ADT/ImmutableIntervalMap.h b/include/llvm/ADT/ImmutableIntervalMap.h
index 0d8fcf3433855762cb160fce6e519875f4893608..fa7ccb975e52b3cb055c0931bd2c498391009b9e 100644 (file)
--- a/include/llvm/ADT/ImmutableIntervalMap.h
+++ b/include/llvm/ADT/ImmutableIntervalMap.h
@@ -10,6 +10,10 @@
 // This file defines the ImmutableIntervalMap class.
 //
 //===----------------------------------------------------------------------===//
+
+#ifndef LLVM_ADT_IMMUTABLE_INTERVAL_MAP_H
+#define LLVM_ADT_IMMUTABLE_INTERVAL_MAP_H
+
 #include "llvm/ADT/ImmutableMap.h"
 
 namespace llvm {
@@ -240,3 +244,5 @@ private:
 };
 
 } // end namespace llvm
+
+#endif