obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

7 files changed, 584 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/1-in.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/1-in.cc
new file mode 100644
index 000000000..47c0597cb
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/1-in.cc
@@ -0,0 +1,92 @@
+// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2003, 2006, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// The ARM simulator does not provide support for "fstat", which
+// causes "in_avail" to return an incorrect value.
+// { dg-do run { xfail arm*-*-elf arm*-*-eabi } }
+
+// 27.8.1.4 Overridden virtual functions
+
+// { dg-require-fileio "" }
+// { dg-require-binary-io "" }
+
+#include <fstream>
+#include <testsuite_hooks.h>
+#include <testsuite_io.h>
+
+// @require@ %-*.tst %-*.txt
+// @diff@ %-*.tst %*.txt
+
+const char name_01[] = "sgetn.txt"; // file with data in it
+
+// Test overloaded virtual functions.
+void test05() 
+{
+  using namespace std;
+  using namespace __gnu_test;
+  typedef filebuf::int_type 	int_type;
+  typedef filebuf::traits_type 	traits_type;
+
+  bool test __attribute__((unused)) = true;
+
+  streamsize 			strmsz_1, strmsz_2;
+  char carray1[13] = "";
+  char carray2[8192] = "";
+  char buffer[8192] = "";
+  int_type 			c1, c4;
+  
+  // streamsize sgetn(char_type *s, streamsize n)
+  // streamsize xsgetn(char_type *s, streamsize n)
+  // assign up to n chars to s from input sequence, indexing in_cur as
+  // approp and returning the number of chars assigned
+
+  // in 
+  {
+    constraint_filebuf fb_01;
+    // Need this since BUFSIZ is only guaranteed >= 255 and we want
+    // to trigger the same underflow situation everywhere.
+    fb_01.pubsetbuf(buffer, 8192);
+    fb_01.open(name_01, ios_base::in);
+    VERIFY( !fb_01.write_position() );
+    strmsz_1 = fb_01.in_avail(); // 8261
+    strmsz_2 = fb_01.sgetn(carray1, 10);
+    VERIFY( strmsz_2 == 10 );
+    strmsz_2 = fb_01.in_avail(); 
+    VERIFY( strmsz_1 > strmsz_2 );
+    c1 = fb_01.sgetc();
+    VERIFY( c1 == 'b' );  
+    strmsz_1 = fb_01.in_avail();
+    strmsz_2 = fb_01.sgetn(carray2, strmsz_1 + 5);
+    VERIFY( strmsz_1 == strmsz_2 - 5 ); 
+    c4 = fb_01.sgetc(); // buffer should have underflowed from above.
+    VERIFY( c4 == 'e' );
+    strmsz_1 = fb_01.in_avail();
+    VERIFY( strmsz_1 > 0 );
+    strmsz_2 = fb_01.sgetn(carray2, strmsz_1 + 5);
+    VERIFY( strmsz_1 == strmsz_2 ); //at the end of the actual file 
+    VERIFY( !fb_01.write_position() );
+    VERIFY( !fb_01.read_position() );
+  }
+}
+
+int main() 
+{
+  test05();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/1-io.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/1-io.cc
new file mode 100644
index 000000000..ffcdc2c14
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/1-io.cc
@@ -0,0 +1,105 @@
+// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2003, 2006, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// The ARM simulator does not provide support for "fstat", which
+// causes "in_avail" to return an incorrect value.
+// { dg-do run { xfail arm*-*-elf arm*-*-eabi } }
+
+// 27.8.1.4 Overridden virtual functions
+
+// { dg-require-fileio "" }
+// { dg-require-binary-io "" }
+
+#include <fstream>
+#include <testsuite_hooks.h>
+#include <testsuite_io.h>
+
+// @require@ %-*.tst %-*.txt
+// @diff@ %-*.tst %*.txt
+
+const char name_01[] = "sgetn.txt"; // file with data in it
+const char name_03[] = "tmp_sgetn_1io.tst"; // empty file, need to create
+
+// Test overloaded virtual functions.
+void test05() 
+{
+  using namespace std;
+  using namespace __gnu_test;
+  typedef filebuf::int_type 	int_type;
+  typedef filebuf::traits_type 	traits_type;
+
+  bool test __attribute__((unused)) = true;
+
+  streamsize 			strmsz_1, strmsz_2;
+  char carray1[13] = "";
+  char carray2[8192] = "";
+  char buffer[8192] = "";
+  int_type 			c1, c4;
+  
+  // streamsize sgetn(char_type *s, streamsize n)
+  // streamsize xsgetn(char_type *s, streamsize n)
+  // assign up to n chars to s from input sequence, indexing in_cur as
+  // approp and returning the number of chars assigned
+
+  // in | out 1
+  {
+    constraint_filebuf fb_03; 
+    fb_03.open(name_03, ios_base::out | ios_base::in | ios_base::trunc); 
+    VERIFY( !fb_03.write_position() );
+    VERIFY( !fb_03.read_position() );
+    strmsz_1 = fb_03.sgetn(carray1, 10);
+    VERIFY( strmsz_1 == 0 ); 
+    VERIFY( !fb_03.write_position() );
+    VERIFY( !fb_03.read_position() );
+  }
+
+  // in | out 2
+  {
+    constraint_filebuf fb_01;
+    // Need this since BUFSIZ is only guaranteed >= 255 and we want
+    // to trigger the same underflow situation everywhere.
+    fb_01.pubsetbuf(buffer, 8192);
+    fb_01.open(name_01, ios_base::in | ios_base::out);
+    VERIFY( !fb_01.write_position() );
+    strmsz_1 = fb_01.in_avail();
+    strmsz_2 = fb_01.sgetn(carray1, 10);
+    VERIFY( strmsz_2 == 10 );
+    strmsz_2 = fb_01.in_avail(); 
+    VERIFY( strmsz_1 > strmsz_2 );
+    c1 = fb_01.sgetc();
+    VERIFY( c1 == 'b' );  
+    strmsz_1 = fb_01.in_avail();
+    strmsz_2 = fb_01.sgetn(carray2, strmsz_1 + 5);
+    VERIFY( strmsz_1 == strmsz_2 - 5 ); 
+    c4 = fb_01.sgetc(); // buffer should have underflowed from above.
+    VERIFY( c4 == 'e' );
+    strmsz_1 = fb_01.in_avail();
+    VERIFY( strmsz_1 > 0 );
+    strmsz_2 = fb_01.sgetn(carray2, strmsz_1 + 5);
+    VERIFY( strmsz_1 == strmsz_2 ); //at the end of the actual file 
+    VERIFY( !fb_01.write_position() );
+    VERIFY( !fb_01.read_position() );
+  }
+}
+
+int main() 
+{
+  test05();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/1-out.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/1-out.cc
new file mode 100644
index 000000000..c9da66539
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/1-out.cc
@@ -0,0 +1,76 @@
+// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2003, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// 27.8.1.4 Overridden virtual functions
+
+#include <fstream>
+#include <testsuite_hooks.h>
+#include <testsuite_io.h>
+
+// @require@ %-*.tst %-*.txt
+// @diff@ %-*.tst %*.txt
+
+const char name_02[] = "tmp_sgetn_1out.tst"; // empty file, need to create
+
+// Test overloaded virtual functions.
+void test05() 
+{
+  using namespace std;
+  using namespace __gnu_test;
+  typedef filebuf::int_type 	int_type;
+  typedef filebuf::traits_type 	traits_type;
+
+  bool test __attribute__((unused)) = true;
+
+  streamsize 			strmsz_1, strmsz_2;
+  char carray2[8192] = "";
+  int_type 			c2, c4;
+  
+  // streamsize sgetn(char_type *s, streamsize n)
+  // streamsize xsgetn(char_type *s, streamsize n)
+  // assign up to n chars to s from input sequence, indexing in_cur as
+  // approp and returning the number of chars assigned
+
+  // out
+  {
+    constraint_filebuf fb_02;
+    fb_02.open(name_02, ios_base::out | ios_base::trunc);
+    VERIFY( !fb_02.write_position() );
+    VERIFY( !fb_02.read_position() );
+    strmsz_2 = fb_02.in_avail();
+    strmsz_2 = fb_02.sgetn(carray2, 10);
+    VERIFY( strmsz_2 == 0 );
+    c2 = fb_02.sgetc();
+    VERIFY( c2 == traits_type::eof() );
+    strmsz_1 = fb_02.in_avail();
+    strmsz_2 = fb_02.sgetn(carray2, strmsz_1 + 5);
+    VERIFY( strmsz_1 == -1 );
+    VERIFY( strmsz_2 == 0 );
+    c4 = fb_02.sgetc(); 
+    VERIFY( c4 == traits_type::eof() );
+    VERIFY( !fb_02.write_position() );
+    VERIFY( !fb_02.read_position() );
+  }
+}
+
+int main() 
+{
+  test05();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/2-in.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/2-in.cc
new file mode 100644
index 000000000..dda7c67e3
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/2-in.cc
@@ -0,0 +1,88 @@
+// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2003, 2006, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// The ARM simulator does not provide support for "fstat", which
+// causes "in_avail" to return an incorrect value.
+// { dg-do run { xfail arm*-*-elf arm*-*-eabi } }
+
+// 27.8.1.4 Overridden virtual functions
+
+// { dg-require-fileio "" }
+// { dg-require-binary-io "" }
+
+#include <fstream>
+#include <testsuite_hooks.h>
+#include <testsuite_io.h>
+
+// @require@ %-*.tst %-*.txt
+// @diff@ %-*.tst %*.txt
+
+const char name_01[] = "sgetn.txt"; // file with data in it
+
+// Test overloaded virtual functions.
+void test05() 
+{
+  using namespace std;
+  using namespace __gnu_test;
+  typedef filebuf::int_type 	int_type;
+  typedef filebuf::traits_type 	traits_type;
+
+  bool test __attribute__((unused)) = true;
+
+  streamsize 			strmsz_1, strmsz_2;
+  char carray1[13] = "";
+  char carray2[8192] = "";
+  int_type 			c1, c4;
+  
+  // streamsize sgetn(char_type *s, streamsize n)
+  // streamsize xsgetn(char_type *s, streamsize n)
+  // assign up to n chars to s from input sequence, indexing in_cur as
+  // approp and returning the number of chars assigned
+
+  // in 
+  {
+    constraint_filebuf fb_01; 
+    fb_01.pubsetbuf(0, 0);
+    fb_01.open(name_01, ios_base::in);
+    VERIFY( fb_01.unbuffered() );
+    strmsz_1 = fb_01.in_avail();
+    strmsz_2 = fb_01.sgetn(carray1, 10);
+    VERIFY( strmsz_2 == 10 );
+    strmsz_2 = fb_01.in_avail(); 
+    VERIFY( strmsz_1 > strmsz_2 );
+    c1 = fb_01.sgetc();
+    VERIFY( c1 == 'b' );  
+    strmsz_1 = fb_01.in_avail(); // 8181 or 8250 depending on buffer
+    strmsz_2 = fb_01.sgetn(carray2, 8181 + 5);
+    VERIFY( 8181 == strmsz_2 - 5 ); 
+    c4 = fb_01.sgetc(); // buffer should have underflowed from above.
+    VERIFY( c4 == 'e' );
+    strmsz_1 = fb_01.in_avail();
+    VERIFY( strmsz_1 > 0 );
+    strmsz_2 = fb_01.sgetn(carray2, 65 + 5);
+    VERIFY( 70 == strmsz_2 ); // at the end of the actual file 
+    VERIFY( fb_01.unbuffered() );
+  }
+}
+
+int main() 
+{
+  test05();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/2-io.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/2-io.cc
new file mode 100644
index 000000000..d401f8732
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/2-io.cc
@@ -0,0 +1,100 @@
+// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2003, 2006, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// The ARM simulator does not provide support for "fstat", which
+// causes "in_avail" to return an incorrect value.
+// { dg-do run { xfail arm*-*-elf arm*-*-eabi } }
+
+// 27.8.1.4 Overridden virtual functions
+
+// { dg-require-fileio "" }
+// { dg-require-binary-io "" }
+
+#include <fstream>
+#include <testsuite_hooks.h>
+#include <testsuite_io.h>
+
+// @require@ %-*.tst %-*.txt
+// @diff@ %-*.tst %*.txt
+
+const char name_01[] = "sgetn.txt"; // file with data in it
+const char name_03[] = "tmp_sgetn_2io.tst"; // empty file, need to create
+
+// Test overloaded virtual functions.
+void test05() 
+{
+  using namespace std;
+  using namespace __gnu_test;
+  typedef filebuf::int_type 	int_type;
+  typedef filebuf::traits_type 	traits_type;
+
+  bool test __attribute__((unused)) = true;
+
+  streamsize 			strmsz_1, strmsz_2;
+  char carray1[13] = "";
+  char carray2[8192] = "";
+  int_type 			c1, c4;
+  
+  // streamsize sgetn(char_type *s, streamsize n)
+  // streamsize xsgetn(char_type *s, streamsize n)
+  // assign up to n chars to s from input sequence, indexing in_cur as
+  // approp and returning the number of chars assigned
+
+  // in | out 1
+  {
+    constraint_filebuf fb_03; 
+    fb_03.pubsetbuf(0, 0);
+    fb_03.open(name_03, ios_base::out | ios_base::in | ios_base::trunc); 
+    VERIFY( fb_03.unbuffered() );
+    strmsz_1 = fb_03.sgetn(carray1, 10);
+    VERIFY( strmsz_1 == 0 ); 
+    VERIFY( fb_03.unbuffered() );
+  }
+
+  // in | out 2
+  {
+    constraint_filebuf fb_01; 
+    fb_01.pubsetbuf(0, 0);
+    fb_01.open(name_01, ios_base::in | ios_base::out);
+    VERIFY( fb_01.unbuffered() );
+    strmsz_1 = fb_01.in_avail();
+    strmsz_2 = fb_01.sgetn(carray1, 10);
+    VERIFY( strmsz_2 == 10 );
+    strmsz_2 = fb_01.in_avail(); 
+    VERIFY( strmsz_1 > strmsz_2 );
+    c1 = fb_01.sgetc();
+    VERIFY( c1 == 'b' );  
+    strmsz_1 = fb_01.in_avail();
+    strmsz_2 = fb_01.sgetn(carray2, 8181 + 5);
+    VERIFY( 8181 == strmsz_2 - 5 ); 
+    c4 = fb_01.sgetc(); // buffer should have underflowed from above.
+    VERIFY( c4 == 'e' );
+    strmsz_1 = fb_01.in_avail();
+    VERIFY( strmsz_1 > 0 );
+    strmsz_2 = fb_01.sgetn(carray2, 65 + 5);
+    VERIFY( 70 == strmsz_2 ); //at the end of the actual file 
+    VERIFY( fb_01.unbuffered() );
+  }
+}
+
+int main() 
+{
+  test05();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/2-out.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/2-out.cc
new file mode 100644
index 000000000..fd332b683
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/2-out.cc
@@ -0,0 +1,76 @@
+// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2003, 2009, 2010 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// 27.8.1.4 Overridden virtual functions
+
+#include <fstream>
+#include <testsuite_hooks.h>
+#include <testsuite_io.h>
+
+// @require@ %-*.tst %-*.txt
+// @diff@ %-*.tst %*.txt
+
+const char name_02[] = "tmp_sgetn_2out.tst"; // empty file, need to create
+
+// Test overloaded virtual functions.
+void test05() 
+{
+  using namespace std;
+  using namespace __gnu_test;
+  typedef filebuf::int_type 	int_type;
+  typedef filebuf::traits_type 	traits_type;
+
+  bool test __attribute__((unused)) = true;
+
+  streamsize 			strmsz_1, strmsz_2;
+  char carray2[8192] = "";
+  int_type 			c2;
+  
+  // streamsize sgetn(char_type *s, streamsize n)
+  // streamsize xsgetn(char_type *s, streamsize n)
+  // assign up to n chars to s from input sequence, indexing in_cur as
+  // approp and returning the number of chars assigned
+
+  // out
+  {
+    constraint_filebuf fb_02; 
+    fb_02.pubsetbuf(0, 0);
+    fb_02.open(name_02, ios_base::out | ios_base::trunc);
+    VERIFY( fb_02.unbuffered() );
+    VERIFY( !fb_02.read_position() );
+    strmsz_2 = fb_02.in_avail();
+    strmsz_2 = fb_02.sgetn(carray2, 10);
+    VERIFY( strmsz_2 == 0 );
+    c2 = fb_02.sgetc();
+    VERIFY( c2 == traits_type::eof() );
+    strmsz_1 = fb_02.in_avail();
+    strmsz_2 = fb_02.sgetn(carray2, strmsz_1 + 5);
+    VERIFY( strmsz_1 == -1 );
+    VERIFY( strmsz_2 == 0 );
+    fb_02.sgetc(); 
+    VERIFY( fb_02.unbuffered() );
+    VERIFY( !fb_02.read_position() );
+  }
+}
+
+int main() 
+{
+  test05();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/3.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/3.cc
new file mode 100644
index 000000000..146a23ea7
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/3.cc
@@ -0,0 +1,47 @@
+// 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2003, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// 27.8.1.4 Overridden virtual functions
+
+// { dg-require-fileio "" }
+
+#include <fstream>
+#include <testsuite_hooks.h>
+
+const char name_01[] = "sgetn.txt"; 
+
+void test06()
+{
+  using namespace std;
+
+  bool test __attribute__((unused)) = true;
+  char buffer[] = "xxxxxxxxxx";
+  typedef filebuf::int_type	int_type;
+  filebuf fbuf01;
+  fbuf01.open(name_01, ios_base::in);
+  int_type len1 = fbuf01.sgetn(buffer, sizeof(buffer));
+  VERIFY( len1 == sizeof(buffer) );
+  VERIFY( buffer[0] == '/' );
+}
+
+int main() 
+{
+  test06();
+  return 0;
+}