2004-01-06 Paolo Carlini <pcarlini@suse.de>

	* testsuite/27_io/basic_istream/extractors_other/char/1.cc:
	Remove redundant #includes.
	* testsuite/27_io/basic_istream/extractors_other/char/2.cc:
	Likewise.
	* testsuite/27_io/basic_istream/extractors_other/char/3.cc:
	Likewise.
	* testsuite/27_io/basic_istream/get/char/1.cc: Likewise.
	* testsuite/27_io/basic_istream/get/char/2.cc: Likewise.
	* testsuite/27_io/basic_istream/getline/char/1.cc: Likewise.
	* testsuite/27_io/basic_istream/getline/char/2.cc: Likewise.
	* testsuite/27_io/basic_istream/getline/char/3.cc: Likewise.
	* testsuite/27_io/basic_istream/ignore/char/1.cc: Likewise.
	* testsuite/27_io/basic_istream/ignore/char/6360.cc: Likewise.
	* testsuite/27_io/basic_istream/ignore/char/7220.cc: Likewise.
	* testsuite/27_io/basic_istream/peek/char/1.cc: Likewise.
	* testsuite/27_io/basic_istream/peek/char/6414.cc: Likewise.
	* testsuite/27_io/basic_istream/putback/char/1.cc: Likewise.
	* testsuite/27_io/basic_istream/read/char/1.cc: Likewise.
	* testsuite/27_io/basic_istream/read/char/2.cc: Likewise.
	* testsuite/27_io/basic_istream/read/char/3.cc: Likewise.
	* testsuite/27_io/basic_istream/readsome/char/6746-1.cc:
	Likewise.
	* testsuite/27_io/basic_istream/readsome/char/6746-2.cc:
	Likewise.
	* testsuite/27_io/basic_istream/readsome/char/8258.cc:
	Likewise.
	* testsuite/27_io/basic_istream/seekg/char/2346-fstream.cc:
	Likewise.
	* testsuite/27_io/basic_istream/seekg/char/2346-sstream.cc:
	Likewise.
	* testsuite/27_io/basic_istream/seekg/char/8348-1.cc: Likewise.
	* testsuite/27_io/basic_istream/seekg/char/8348-2.cc: Likewise.
	* testsuite/27_io/basic_istream/tellg/char/8348.cc: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@75469 138bc75d-0d04-0410-961f-82ee72b054a4

26 files changed, 39 insertions, 79 deletions

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 22eeb34ae85..34829add88c 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,39 @@
+2004-01-06  Paolo Carlini  <pcarlini@suse.de>
+
+	* testsuite/27_io/basic_istream/extractors_other/char/1.cc:
+	Remove redundant #includes.
+	* testsuite/27_io/basic_istream/extractors_other/char/2.cc:
+	Likewise.
+	* testsuite/27_io/basic_istream/extractors_other/char/3.cc:
+	Likewise.
+	* testsuite/27_io/basic_istream/get/char/1.cc: Likewise.
+	* testsuite/27_io/basic_istream/get/char/2.cc: Likewise.
+	* testsuite/27_io/basic_istream/getline/char/1.cc: Likewise.
+	* testsuite/27_io/basic_istream/getline/char/2.cc: Likewise.
+	* testsuite/27_io/basic_istream/getline/char/3.cc: Likewise.
+	* testsuite/27_io/basic_istream/ignore/char/1.cc: Likewise.
+	* testsuite/27_io/basic_istream/ignore/char/6360.cc: Likewise.
+	* testsuite/27_io/basic_istream/ignore/char/7220.cc: Likewise.
+	* testsuite/27_io/basic_istream/peek/char/1.cc: Likewise.
+	* testsuite/27_io/basic_istream/peek/char/6414.cc: Likewise.
+	* testsuite/27_io/basic_istream/putback/char/1.cc: Likewise.
+	* testsuite/27_io/basic_istream/read/char/1.cc: Likewise.
+	* testsuite/27_io/basic_istream/read/char/2.cc: Likewise.
+	* testsuite/27_io/basic_istream/read/char/3.cc: Likewise.
+	* testsuite/27_io/basic_istream/readsome/char/6746-1.cc:
+	Likewise.
+	* testsuite/27_io/basic_istream/readsome/char/6746-2.cc:
+	Likewise.
+	* testsuite/27_io/basic_istream/readsome/char/8258.cc:
+	Likewise.
+	* testsuite/27_io/basic_istream/seekg/char/2346-fstream.cc:
+	Likewise.
+	* testsuite/27_io/basic_istream/seekg/char/2346-sstream.cc:
+	Likewise.
+	* testsuite/27_io/basic_istream/seekg/char/8348-1.cc: Likewise.
+	* testsuite/27_io/basic_istream/seekg/char/8348-2.cc: Likewise.
+	* testsuite/27_io/basic_istream/tellg/char/8348.cc: Likewise.
+
 2004-01-04  Paolo Carlini  <pcarlini@suse.de>
 
 	* testsuite/27_io/basic_istream/extractors_arithmetic/char/01.cc:
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/extractors_other/char/1.cc b/libstdc++-v3/testsuite/27_io/basic_istream/extractors_other/char/1.cc
index 01426e75259..a8a81e27fa6 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/extractors_other/char/1.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/extractors_other/char/1.cc
@@ -19,12 +19,9 @@
 // USA.
 
 // 27.6.1.2.3 basic_istream::operator>>
-// @require@ %-*.tst %-*.txt
-// @diff@ %-*.tst %-*.txt
 
 #include <istream>
 #include <sstream>
-#include <fstream>
 #include <testsuite_hooks.h>
 
 // stringbufs.
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/extractors_other/char/2.cc b/libstdc++-v3/testsuite/27_io/basic_istream/extractors_other/char/2.cc
index 2fd1cd03bc4..f99fd7b0805 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/extractors_other/char/2.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/extractors_other/char/2.cc
@@ -23,7 +23,6 @@
 // @diff@ %-*.tst %-*.txt
 
 #include <istream>
-#include <sstream>
 #include <fstream>
 #include <testsuite_hooks.h>
 
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/extractors_other/char/3.cc b/libstdc++-v3/testsuite/27_io/basic_istream/extractors_other/char/3.cc
index 1e195323197..d0c60e78996 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/extractors_other/char/3.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/extractors_other/char/3.cc
@@ -19,12 +19,9 @@
 // USA.
 
 // 27.6.1.2.3 basic_istream::operator>>
-// @require@ %-*.tst %-*.txt
-// @diff@ %-*.tst %-*.txt
 
 #include <istream>
 #include <sstream>
-#include <fstream>
 #include <testsuite_hooks.h>
 
 void test03() 
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/get/char/1.cc b/libstdc++-v3/testsuite/27_io/basic_istream/get/char/1.cc
index 4cc8f35952b..269cd7c9f0f 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/get/char/1.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/get/char/1.cc
@@ -19,13 +19,9 @@
 // USA.
 
 // 27.6.1.3 unformatted input functions
-// @require@ %-*.tst %-*.txt
-// @diff@ %-*.tst %-*.txt
 
-#include <cstring> // for strncmp,...
 #include <istream>
 #include <sstream>
-#include <fstream>
 #include <testsuite_hooks.h>
 
 void
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/get/char/2.cc b/libstdc++-v3/testsuite/27_io/basic_istream/get/char/2.cc
index 8317e1aee81..ce6302f82ce 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/get/char/2.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/get/char/2.cc
@@ -22,7 +22,6 @@
 // @require@ %-*.tst %-*.txt
 // @diff@ %-*.tst %-*.txt
 
-#include <cstring> // for strncmp,...
 #include <istream>
 #include <sstream>
 #include <fstream>
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/getline/char/1.cc b/libstdc++-v3/testsuite/27_io/basic_istream/getline/char/1.cc
index ccde173c62b..eef9573625b 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/getline/char/1.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/getline/char/1.cc
@@ -19,13 +19,9 @@
 // USA.
 
 // 27.6.1.3 unformatted input functions
-// @require@ %-*.tst %-*.txt
-// @diff@ %-*.tst %-*.txt
 
-#include <cstring> // for strncmp,...
 #include <istream>
 #include <sstream>
-#include <fstream>
 #include <testsuite_hooks.h>
 
 void
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/getline/char/2.cc b/libstdc++-v3/testsuite/27_io/basic_istream/getline/char/2.cc
index 543d7cbba47..3810544b30d 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/getline/char/2.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/getline/char/2.cc
@@ -19,13 +19,10 @@
 // USA.
 
 // 27.6.1.3 unformatted input functions
-// @require@ %-*.tst %-*.txt
-// @diff@ %-*.tst %-*.txt
 
-#include <cstring> // for strncmp,...
+#include <cstring> // for strlen
 #include <istream>
 #include <sstream>
-#include <fstream>
 #include <testsuite_hooks.h>
 
 // [patch] bits/istream.tcc - getline(char_type*,streamsize,char_type)
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/getline/char/3.cc b/libstdc++-v3/testsuite/27_io/basic_istream/getline/char/3.cc
index 0d640de02b8..3cd1f81cd0d 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/getline/char/3.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/getline/char/3.cc
@@ -19,13 +19,10 @@
 // USA.
 
 // 27.6.1.3 unformatted input functions
-// @require@ %-*.tst %-*.txt
-// @diff@ %-*.tst %-*.txt
 
-#include <cstring> // for strncmp,...
+#include <cstring> // for strlen
 #include <istream>
 #include <sstream>
-#include <fstream>
 #include <testsuite_hooks.h>
 
 // [bug] istream::getline(char*,streamsize) still broken
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/ignore/char/1.cc b/libstdc++-v3/testsuite/27_io/basic_istream/ignore/char/1.cc
index c0a753e26d7..8dfe1d68105 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/ignore/char/1.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/ignore/char/1.cc
@@ -19,13 +19,9 @@
 // USA.
 
 // 27.6.1.3 unformatted input functions
-// @require@ %-*.tst %-*.txt
-// @diff@ %-*.tst %-*.txt
 
-#include <cstring> // for strncmp,...
 #include <istream>
 #include <sstream>
-#include <fstream>
 #include <testsuite_hooks.h>
 
 void
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/ignore/char/6360.cc b/libstdc++-v3/testsuite/27_io/basic_istream/ignore/char/6360.cc
index 38c40cea24b..3873007a82d 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/ignore/char/6360.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/ignore/char/6360.cc
@@ -19,13 +19,9 @@
 // USA.
 
 // 27.6.1.3 unformatted input functions
-// @require@ %-*.tst %-*.txt
-// @diff@ %-*.tst %-*.txt
 
-#include <cstring> // for strncmp,...
 #include <istream>
 #include <sstream>
-#include <fstream>
 #include <testsuite_hooks.h>
 
 // 2002-04-19 PR libstdc++ 6360
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/ignore/char/7220.cc b/libstdc++-v3/testsuite/27_io/basic_istream/ignore/char/7220.cc
index 6e0c9151e69..f7ae355f855 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/ignore/char/7220.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/ignore/char/7220.cc
@@ -19,13 +19,9 @@
 // USA.
 
 // 27.6.1.3 unformatted input functions
-// @require@ %-*.tst %-*.txt
-// @diff@ %-*.tst %-*.txt
 
-#include <cstring> // for strncmp,...
 #include <istream>
 #include <sstream>
-#include <fstream>
 #include <testsuite_hooks.h>
 
 // libstdc++/70220
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/peek/char/1.cc b/libstdc++-v3/testsuite/27_io/basic_istream/peek/char/1.cc
index be4b0700d10..957c2ef4ccf 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/peek/char/1.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/peek/char/1.cc
@@ -19,13 +19,9 @@
 // USA.
 
 // 27.6.1.3 unformatted input functions
-// @require@ %-*.tst %-*.txt
-// @diff@ %-*.tst %-*.txt
 
-#include <cstring> // for strncmp,...
 #include <istream>
 #include <sstream>
-#include <fstream>
 #include <testsuite_hooks.h>
 
 void
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/peek/char/6414.cc b/libstdc++-v3/testsuite/27_io/basic_istream/peek/char/6414.cc
index e060ff2716d..98a99e78e75 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/peek/char/6414.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/peek/char/6414.cc
@@ -24,7 +24,6 @@
 // @diff@ %-*.tst %-*.txt
 
 #include <istream>
-#include <sstream>
 #include <fstream>
 #include <testsuite_hooks.h>
 
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/putback/char/1.cc b/libstdc++-v3/testsuite/27_io/basic_istream/putback/char/1.cc
index 47fcd0136f2..870d57aa355 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/putback/char/1.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/putback/char/1.cc
@@ -19,10 +19,7 @@
 // USA.
 
 // 27.6.1.3 unformatted input functions
-// @require@ %-*.tst %-*.txt
-// @diff@ %-*.tst %-*.txt
 
-#include <cstring> // for strncmp,...
 #include <istream>
 #include <sstream>
 #include <testsuite_hooks.h>
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/read/char/1.cc b/libstdc++-v3/testsuite/27_io/basic_istream/read/char/1.cc
index 0ece0a5d596..70f14b9ef24 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/read/char/1.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/read/char/1.cc
@@ -19,13 +19,10 @@
 // USA.
 
 // 27.6.1.3 unformatted input functions
-// @require@ %-*.tst %-*.txt
-// @diff@ %-*.tst %-*.txt
 
 #include <cstring> // for strncmp,...
 #include <istream>
 #include <sstream>
-#include <fstream>
 #include <testsuite_hooks.h>
 
 void
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/read/char/2.cc b/libstdc++-v3/testsuite/27_io/basic_istream/read/char/2.cc
index 6779c2b7d32..7eeb212146e 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/read/char/2.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/read/char/2.cc
@@ -19,13 +19,9 @@
 // USA.
 
 // 27.6.1.3 unformatted input functions
-// @require@ %-*.tst %-*.txt
-// @diff@ %-*.tst %-*.txt
 
-#include <cstring> // for strncmp,...
 #include <istream>
 #include <sstream>
-#include <fstream>
 #include <testsuite_hooks.h>
 
 // Jim Parsons <parsons at clearway dot com>
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/read/char/3.cc b/libstdc++-v3/testsuite/27_io/basic_istream/read/char/3.cc
index b66f730ed01..e5891c80815 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/read/char/3.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/read/char/3.cc
@@ -19,13 +19,9 @@
 // USA.
 
 // 27.6.1.3 unformatted input functions
-// @require@ %-*.tst %-*.txt
-// @diff@ %-*.tst %-*.txt
 
-#include <cstring> // for strncmp,...
 #include <istream>
 #include <sstream>
-#include <fstream>
 #include <testsuite_hooks.h>
 
 // Theodore Papadopoulo 
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/readsome/char/6746-1.cc b/libstdc++-v3/testsuite/27_io/basic_istream/readsome/char/6746-1.cc
index 6a42fd32cfb..6a2aef3c9c5 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/readsome/char/6746-1.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/readsome/char/6746-1.cc
@@ -19,13 +19,9 @@
 // USA.
 
 // 27.6.1.3 unformatted input functions
-// @require@ %-*.tst %-*.txt
-// @diff@ %-*.tst %-*.txt
 
-#include <cstring> // for strncmp,...
 #include <istream>
 #include <sstream>
-#include <fstream>
 #include <testsuite_hooks.h>
 
 // libstdc++/6746   
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/readsome/char/6746-2.cc b/libstdc++-v3/testsuite/27_io/basic_istream/readsome/char/6746-2.cc
index 95b421306a0..b728d863164 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/readsome/char/6746-2.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/readsome/char/6746-2.cc
@@ -26,9 +26,7 @@
 // @require@ %-*.tst %-*.txt
 // @diff@ %-*.tst %-*.txt
 
-#include <cstring> // for strncmp,...
 #include <istream>
-#include <sstream>
 #include <fstream>
 #include <testsuite_hooks.h>
 
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/readsome/char/8258.cc b/libstdc++-v3/testsuite/27_io/basic_istream/readsome/char/8258.cc
index 67596719dc3..4b155b651a0 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/readsome/char/8258.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/readsome/char/8258.cc
@@ -19,13 +19,9 @@
 // USA.
 
 // 27.6.1.3 unformatted input functions
-// @require@ %-*.tst %-*.txt
-// @diff@ %-*.tst %-*.txt
 
-#include <cstring> // for strncmp,...
 #include <istream>
-#include <sstream>
-#include <fstream>
+#include <streambuf>
 #include <testsuite_hooks.h>
 
 // libstdc++/8258
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/seekg/char/2346-fstream.cc b/libstdc++-v3/testsuite/27_io/basic_istream/seekg/char/2346-fstream.cc
index af2b81668b5..72686f1b699 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/seekg/char/2346-fstream.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/seekg/char/2346-fstream.cc
@@ -24,7 +24,6 @@
 // @diff@ %-*.tst %-*.txt
 
 #include <istream>
-#include <sstream>
 #include <fstream>
 #include <testsuite_hooks.h>
 
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/seekg/char/2346-sstream.cc b/libstdc++-v3/testsuite/27_io/basic_istream/seekg/char/2346-sstream.cc
index 6a8f5d72c0d..60e43c9a78b 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/seekg/char/2346-sstream.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/seekg/char/2346-sstream.cc
@@ -20,12 +20,9 @@
 
 // 27.6.1.3 unformatted input functions
 // NB: ostream has a particular "seeks" category. Adopt this for istreams too.
-// @require@ %-*.tst %-*.txt
-// @diff@ %-*.tst %-*.txt
 
 #include <istream>
 #include <sstream>
-#include <fstream>
 #include <testsuite_hooks.h>
 
 const char* s = " lootpack, peanut butter wolf, rob swift, madlib, quasimoto";
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/seekg/char/8348-1.cc b/libstdc++-v3/testsuite/27_io/basic_istream/seekg/char/8348-1.cc
index 273855a0b64..b850215eaec 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/seekg/char/8348-1.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/seekg/char/8348-1.cc
@@ -20,12 +20,9 @@
 
 // 27.6.1.3 unformatted input functions
 // NB: ostream has a particular "seeks" category. Adopt this for istreams too.
-// @require@ %-*.tst %-*.txt
-// @diff@ %-*.tst %-*.txt
 
 #include <istream>
 #include <sstream>
-#include <fstream>
 #include <testsuite_hooks.h>
 
 // libstdc++/8348
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/seekg/char/8348-2.cc b/libstdc++-v3/testsuite/27_io/basic_istream/seekg/char/8348-2.cc
index 233773193ee..204dddeb332 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/seekg/char/8348-2.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/seekg/char/8348-2.cc
@@ -20,12 +20,9 @@
 
 // 27.6.1.3 unformatted input functions
 // NB: ostream has a particular "seeks" category. Adopt this for istreams too.
-// @require@ %-*.tst %-*.txt
-// @diff@ %-*.tst %-*.txt
 
 #include <istream>
 #include <sstream>
-#include <fstream>
 #include <testsuite_hooks.h>
 
 // libstdc++/8348
diff --git a/libstdc++-v3/testsuite/27_io/basic_istream/tellg/char/8348.cc b/libstdc++-v3/testsuite/27_io/basic_istream/tellg/char/8348.cc
index 2cb9ea7fe93..3b0226918b7 100644
--- a/libstdc++-v3/testsuite/27_io/basic_istream/tellg/char/8348.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_istream/tellg/char/8348.cc
@@ -20,12 +20,9 @@
 
 // 27.6.1.3 unformatted input functions
 // NB: ostream has a particular "seeks" category. Adopt this for istreams too.
-// @require@ %-*.tst %-*.txt
-// @diff@ %-*.tst %-*.txt
 
 #include <istream>
 #include <sstream>
-#include <fstream>
 #include <testsuite_hooks.h>
 
 // libstdc++/8348