From d5b9ffda458c0e1b7ad52b42d7c8caf2b4a5c022 Mon Sep 17 00:00:00 2001
From: Gabe Black <gabeblack@google.com>
Date: Sat, 3 Feb 2018 22:25:14 -0800
Subject: base: Update #includes for bitunion.hh.

<iostream> isn't actually used anywhere in bitunion.hh. The templated
hash struct type is defined in <functional> and should be included
explicitly.

Change-Id: I8691ccb2f9e28a01610ae8bb4d9591b07cb7320b
Reviewed-on: https://gem5-review.googlesource.com/7781
Reviewed-by: Matthias Jung <jungma@eit.uni-kl.de>
Maintainer: Gabe Black <gabeblack@google.com>
---
 src/base/bitunion.hh | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

(limited to 'src/base')

diff --git a/src/base/bitunion.hh b/src/base/bitunion.hh
index 38d10dac3..569d65031 100644
--- a/src/base/bitunion.hh
+++ b/src/base/bitunion.hh
@@ -31,7 +31,7 @@
 #ifndef __BASE_BITUNION_HH__
 #define __BASE_BITUNION_HH__
 
-#include <iostream>
+#include <functional>
 #include <type_traits>
 
 #include "base/bitfield.hh"
@@ -403,9 +403,6 @@ using BitUnionBaseType = typename BitfieldBackend::BitUnionBaseType<T>::Type;
 //An STL style hash structure for hashing BitUnions based on their base type.
 namespace std
 {
-    template <typename T>
-    struct hash;
-
     template <typename T>
     struct hash<BitUnionType<T> > : public hash<BitUnionBaseType<T> >
     {
-- 
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