Add fundamentals TR container erasure.

2015-04-30  Edward Smith-Rowland  <3dw4rd@verizon.net>

	Add fundamentals TR container erasure.
	* include/Makefile.am: Add new headers.
	* include/Makefile.in: Add new headers.
	* include/experimental/array: New.
	* include/experimental/deque: New.
	* include/experimental/erase_if.tcc: New.
	* include/experimental/forward_list: New.
	* include/experimental/list: New.
	* include/experimental/map: New.
	* include/experimental/set: New.
	* include/experimental/string: New.
	* include/experimental/unordered_map: New.
	* include/experimental/unordered_set: New.
	* include/experimental/vector: New.
	* testsuite/experimental/deque/erasure.cc: New.
	* testsuite/experimental/forward_list/erasure.cc: New.
	* testsuite/experimental/list/erasure.cc: New.
	* testsuite/experimental/map/erasure.cc: New.
	* testsuite/experimental/set/erasure.cc: New.
	* testsuite/experimental/string/erasure.cc: New.
	* testsuite/experimental/unordered_map/erasure.cc: New.
	* testsuite/experimental/unordered_set/erasure.cc: New.
	* testsuite/experimental/vector/erasure.cc: New.

From-SVN: r222630

22 files changed, 1278 insertions, 4 deletions

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 53661df..28f1b8b 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,29 @@
+2015-04-30  Edward Smith-Rowland  <3dw4rd@verizon.net>
+
+	Add fundamentals TR container erasure.
+	* include/Makefile.am: Add new headers.
+	* include/Makefile.in: Add new headers.
+	* include/experimental/array: New.
+	* include/experimental/deque: New.
+	* include/experimental/erase_if.tcc: New.
+	* include/experimental/forward_list: New.
+	* include/experimental/list: New.
+	* include/experimental/map: New.
+	* include/experimental/set: New.
+	* include/experimental/string: New.
+	* include/experimental/unordered_map: New.
+	* include/experimental/unordered_set: New.
+	* include/experimental/vector: New.
+	* testsuite/experimental/deque/erasure.cc: New.
+	* testsuite/experimental/forward_list/erasure.cc: New.
+	* testsuite/experimental/list/erasure.cc: New.
+	* testsuite/experimental/map/erasure.cc: New.
+	* testsuite/experimental/set/erasure.cc: New.
+	* testsuite/experimental/string/erasure.cc: New.
+	* testsuite/experimental/unordered_map/erasure.cc: New.
+	* testsuite/experimental/unordered_set/erasure.cc: New.
+	* testsuite/experimental/vector/erasure.cc: New.
+
 2015-04-30  François Dumont  <fdumont@gcc.gnu.org>
 
 	* include/bits/cpp_type_traits.h
diff --git a/libstdc++-v3/include/Makefile.am b/libstdc++-v3/include/Makefile.am
index 2677132..d582dff 100644
--- a/libstdc++-v3/include/Makefile.am
+++ b/libstdc++-v3/include/Makefile.am
@@ -646,14 +646,24 @@ experimental_headers = \
 	${experimental_srcdir}/algorithm \
 	${experimental_srcdir}/any \
 	${experimental_srcdir}/chrono \
+	${experimental_srcdir}/deque \
+	${experimental_srcdir}/erase_if.h \
+	${experimental_srcdir}/forward_list \
 	${experimental_srcdir}/functional \
+	${experimental_srcdir}/list \
+	${experimental_srcdir}/map \
 	${experimental_srcdir}/optional \
 	${experimental_srcdir}/ratio \
+	${experimental_srcdir}/set \
+	${experimental_srcdir}/string \
 	${experimental_srcdir}/string_view \
-	${experimental_srcdir}/system_error \
 	${experimental_srcdir}/string_view.tcc \
+	${experimental_srcdir}/system_error \
 	${experimental_srcdir}/tuple \
-	${experimental_srcdir}/type_traits
+	${experimental_srcdir}/type_traits \
+	${experimental_srcdir}/unordered_map \
+	${experimental_srcdir}/unordered_set \
+	${experimental_srcdir}/vector
 
 # This is the common subset of C++ files that all three "C" header models use.
 c_base_srcdir = $(C_INCLUDE_DIR)
diff --git a/libstdc++-v3/include/Makefile.in b/libstdc++-v3/include/Makefile.in
index 9c423cb..f9328e1 100644
--- a/libstdc++-v3/include/Makefile.in
+++ b/libstdc++-v3/include/Makefile.in
@@ -913,14 +913,24 @@ experimental_headers = \
 	${experimental_srcdir}/algorithm \
 	${experimental_srcdir}/any \
 	${experimental_srcdir}/chrono \
+	${experimental_srcdir}/deque \
+	${experimental_srcdir}/erase_if.h \
+	${experimental_srcdir}/forward_list \
 	${experimental_srcdir}/functional \
+	${experimental_srcdir}/list \
+	${experimental_srcdir}/map \
 	${experimental_srcdir}/optional \
 	${experimental_srcdir}/ratio \
+	${experimental_srcdir}/set \
+	${experimental_srcdir}/string \
 	${experimental_srcdir}/string_view \
-	${experimental_srcdir}/system_error \
 	${experimental_srcdir}/string_view.tcc \
+	${experimental_srcdir}/system_error \
 	${experimental_srcdir}/tuple \
-	${experimental_srcdir}/type_traits
+	${experimental_srcdir}/type_traits \
+	${experimental_srcdir}/unordered_map \
+	${experimental_srcdir}/unordered_set \
+	${experimental_srcdir}/vector
 
 
 # This is the common subset of C++ files that all three "C" header models use.
diff --git a/libstdc++-v3/include/experimental/deque b/libstdc++-v3/include/experimental/deque
new file mode 100644
index 0000000..8d3d895
--- /dev/null
+++ b/libstdc++-v3/include/experimental/deque
@@ -0,0 +1,72 @@
+// <experimental/deque> -*- C++ -*-
+
+// Copyright (C) 2015 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file experimental/deque
+ *  This is a TS C++ Library header.
+ */
+
+#ifndef _GLIBCXX_EXPERIMENTAL_DEQUE
+#define _GLIBCXX_EXPERIMENTAL_DEQUE 1
+
+#pragma GCC system_header
+
+#if __cplusplus <= 201103L
+# include <bits/c++14_warning.h>
+#else
+
+#include <deque>
+#include <algorithm>
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+namespace experimental
+{
+inline namespace fundamentals_v2
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  template<typename _Tp, typename _Alloc, typename _Predicate>
+    void
+    erase_if(deque<_Tp, _Alloc>& __cont, _Predicate __pred)
+    {
+      __cont.erase(std::remove_if(__cont.begin(), __cont.end(), __pred),
+		   __cont.end());
+    }
+
+  template<typename _Tp, typename _Alloc, typename _Up>
+    void
+    erase(deque<_Tp, _Alloc>& __cont, const _Up& __value)
+    {
+      __cont.erase(std::remove(__cont.begin(), __cont.end(), __value),
+		   __cont.end());
+    }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace fundamentals_v2
+} // namespace experimental
+} // namespace std
+
+#endif // C++14
+
+#endif // _GLIBCXX_EXPERIMENTAL_DEQUE
diff --git a/libstdc++-v3/include/experimental/erase_if.h b/libstdc++-v3/include/experimental/erase_if.h
new file mode 100644
index 0000000..35b5b37
--- /dev/null
+++ b/libstdc++-v3/include/experimental/erase_if.h
@@ -0,0 +1,70 @@
+// <experimental/erase_if.h> -*- C++ -*-
+
+// Copyright (C) 2015 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file experimental/erase_if.h
+ *  This is an internal header file, included by other library headers.
+ *  Do not attempt to use it directly.
+ */
+
+#ifndef _GLIBCXX_EXPERIMENTAL_ERASE_IF_H
+#define _GLIBCXX_EXPERIMENTAL_ERASE_IF_H 1
+
+#pragma GCC system_header
+
+#if __cplusplus <= 201103L
+# include <bits/c++14_warning.h>
+#else
+
+namespace std
+{
+namespace experimental
+{
+inline namespace fundamentals_v2
+{
+
+  namespace __detail
+  {
+    template<typename _Container, typename _Predicate>
+      void
+      __erase_nodes_if(_Container& __cont, _Predicate __pred)
+      {
+	for (auto __iter = __cont.begin(), __last = __cont.end();
+	     __iter != __last;)
+	{
+	  if (__pred(*__iter))
+	    __iter = __cont.erase(__iter);
+	  else
+	    ++__iter;
+	}
+      }
+  }
+
+
+} // inline namespace fundamentals_v2
+} // namespace experimental
+} // namespace std
+
+#endif // C++14
+
+#endif // _GLIBCXX_EXPERIMENTAL_ERASE_IF_H
diff --git a/libstdc++-v3/include/experimental/forward_list b/libstdc++-v3/include/experimental/forward_list
new file mode 100644
index 0000000..482ac12
--- /dev/null
+++ b/libstdc++-v3/include/experimental/forward_list
@@ -0,0 +1,67 @@
+// <experimental/forward_list> -*- C++ -*-
+
+// Copyright (C) 2015 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file experimental/forward_list
+ *  This is a TS C++ Library header.
+ */
+
+#ifndef _GLIBCXX_EXPERIMENTAL_FORWARD_LIST
+#define _GLIBCXX_EXPERIMENTAL_FORWARD_LIST 1
+
+#pragma GCC system_header
+
+#if __cplusplus <= 201103L
+# include <bits/c++14_warning.h>
+#else
+
+#include <forward_list>
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+namespace experimental
+{
+inline namespace fundamentals_v2
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  template<typename _Tp, typename _Alloc, typename _Predicate>
+    void 
+    erase_if(forward_list<_Tp, _Alloc>& __cont, _Predicate __pred)
+    { __cont.remove_if(__pred); }
+
+  template<typename _Tp, typename _Alloc, typename _Up>
+    void erase(forward_list<_Tp, _Alloc>& __cont, const _Up& __value)
+    {
+      using __elem_type = typename forward_list<_Tp, _Alloc>::value_type;
+      erase_if(__cont, [&](__elem_type& __elem) { return __elem == __value; });
+    }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace fundamentals_v2
+} // namespace experimental
+} // namespace std
+
+#endif // C++14
+
+#endif // _GLIBCXX_EXPERIMENTAL_FORWARD_LIST
diff --git a/libstdc++-v3/include/experimental/list b/libstdc++-v3/include/experimental/list
new file mode 100644
index 0000000..9bdf8d5
--- /dev/null
+++ b/libstdc++-v3/include/experimental/list
@@ -0,0 +1,68 @@
+// <experimental/list> -*- C++ -*-
+
+// Copyright (C) 2015 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file experimental/list
+ *  This is a TS C++ Library header.
+ */
+
+#ifndef _GLIBCXX_EXPERIMENTAL_LIST
+#define _GLIBCXX_EXPERIMENTAL_LIST 1
+
+#pragma GCC system_header
+
+#if __cplusplus <= 201103L
+# include <bits/c++14_warning.h>
+#else
+
+#include <list>
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+namespace experimental
+{
+inline namespace fundamentals_v2
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  template<typename _Tp, typename _Alloc, typename _Predicate>
+    void
+    erase_if(list<_Tp, _Alloc>& __cont, _Predicate __pred)
+    { __cont.remove_if(__pred); }
+
+  template<typename _Tp, typename _Alloc, typename _Up>
+    void
+    erase(list<_Tp, _Alloc>& __cont, const _Up& __value)
+    {
+      using __elem_type = typename list<_Tp, _Alloc>::value_type;
+      erase_if(__cont, [&](__elem_type& __elem) { return __elem == __value; });
+    }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace fundamentals_v2
+} // namespace experimental
+} // namespace std
+
+#endif // C++14
+
+#endif // _GLIBCXX_EXPERIMENTAL_LIST
diff --git a/libstdc++-v3/include/experimental/map b/libstdc++-v3/include/experimental/map
new file mode 100644
index 0000000..c2b5a09
--- /dev/null
+++ b/libstdc++-v3/include/experimental/map
@@ -0,0 +1,68 @@
+// <experimental/map> -*- C++ -*-
+
+// Copyright (C) 2015 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file experimental/map
+ *  This is a TS C++ Library header.
+ */
+
+#ifndef _GLIBCXX_EXPERIMENTAL_MAP
+#define _GLIBCXX_EXPERIMENTAL_MAP 1
+
+#pragma GCC system_header
+
+#if __cplusplus <= 201103L
+# include <bits/c++14_warning.h>
+#else
+
+#include <map>
+#include <experimental/erase_if.h>
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+namespace experimental
+{
+inline namespace fundamentals_v2
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  template<typename _Key, typename _Tp, typename _Compare, typename _Alloc,
+	   typename _Predicate>
+    void
+    erase_if(map<_Key, _Tp, _Compare, _Alloc>& __cont, _Predicate __pred)
+    { __detail::__erase_nodes_if(__cont, __pred); }
+
+  template<typename _Key, typename _Tp, typename _Compare, typename _Alloc,
+	   typename _Predicate>
+    void
+    erase_if(multimap<_Key, _Tp, _Compare, _Alloc>& __cont, _Predicate __pred)
+    { __detail::__erase_nodes_if(__cont, __pred); }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace fundamentals_v2
+} // namespace experimental
+} // namespace std
+
+#endif // C++14
+
+#endif // _GLIBCXX_EXPERIMENTAL_MAP
diff --git a/libstdc++-v3/include/experimental/set b/libstdc++-v3/include/experimental/set
new file mode 100644
index 0000000..7b87848
--- /dev/null
+++ b/libstdc++-v3/include/experimental/set
@@ -0,0 +1,68 @@
+// <experimental/set> -*- C++ -*-
+
+// Copyright (C) 2015 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file experimental/set
+ *  This is a TS C++ Library header.
+ */
+
+#ifndef _GLIBCXX_EXPERIMENTAL_SET
+#define _GLIBCXX_EXPERIMENTAL_SET 1
+
+#pragma GCC system_header
+
+#if __cplusplus <= 201103L
+# include <bits/c++14_warning.h>
+#else
+
+#include <set>
+#include <experimental/erase_if.h>
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+namespace experimental
+{
+inline namespace fundamentals_v2
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  template<typename _Key, typename _Compare, typename _Alloc,
+	   typename _Predicate>
+    void
+    erase_if(set<_Key, _Compare, _Alloc>& __cont, _Predicate __pred)
+    { __detail::__erase_nodes_if(__cont, __pred); }
+
+  template<typename _Key, typename _Compare, typename _Alloc,
+	   typename _Predicate>
+    void
+    erase_if(multiset<_Key, _Compare, _Alloc>& __cont, _Predicate __pred)
+    { __detail::__erase_nodes_if(__cont, __pred); }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace fundamentals_v2
+} // namespace experimental
+} // namespace std
+
+#endif // C++14
+
+#endif // _GLIBCXX_EXPERIMENTAL_SET
diff --git a/libstdc++-v3/include/experimental/string b/libstdc++-v3/include/experimental/string
new file mode 100644
index 0000000..70212fb
--- /dev/null
+++ b/libstdc++-v3/include/experimental/string
@@ -0,0 +1,73 @@
+// <experimental/string> -*- C++ -*-
+
+// Copyright (C) 2015 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file experimental/string
+ *  This is a TS C++ Library header.
+ */
+
+#ifndef _GLIBCXX_EXPERIMENTAL_STRING
+#define _GLIBCXX_EXPERIMENTAL_STRING 1
+
+#pragma GCC system_header
+
+#if __cplusplus <= 201103L
+# include <bits/c++14_warning.h>
+#else
+
+#include <string>
+#include <algorithm>
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+namespace experimental
+{
+inline namespace fundamentals_v2
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  template<typename _CharT, typename _Traits, typename _Alloc,
+	   typename _Predicate>
+    void
+    erase_if(basic_string<_CharT, _Traits, _Alloc>& __cont, _Predicate __pred)
+    {
+      __cont.erase(std::remove_if(__cont.begin(), __cont.end(), __pred),
+		   __cont.end());
+    }
+
+  template<typename _CharT, typename _Traits, typename _Alloc, typename _Up>
+    void
+    erase(basic_string<_CharT, _Traits, _Alloc>& __cont, const _Up& __value)
+    {
+      __cont.erase(std::remove(__cont.begin(), __cont.end(), __value),
+		   __cont.end());
+    }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace fundamentals_v2
+} // namespace experimental
+} // namespace std
+
+#endif // C++14
+
+#endif // _GLIBCXX_EXPERIMENTAL_STRING
diff --git a/libstdc++-v3/include/experimental/unordered_map b/libstdc++-v3/include/experimental/unordered_map
new file mode 100644
index 0000000..438f886
--- /dev/null
+++ b/libstdc++-v3/include/experimental/unordered_map
@@ -0,0 +1,70 @@
+// <experimental/unordered_map> -*- C++ -*-
+
+// Copyright (C) 2015 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file experimental/unordered_map
+ *  This is a TS C++ Library header.
+ */
+
+#ifndef _GLIBCXX_EXPERIMENTAL_UNORDERED_MAP
+#define _GLIBCXX_EXPERIMENTAL_UNORDERED_MAP 1
+
+#pragma GCC system_header
+
+#if __cplusplus <= 201103L
+# include <bits/c++14_warning.h>
+#else
+
+#include <unordered_map>
+#include <experimental/erase_if.h>
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+namespace experimental
+{
+inline namespace fundamentals_v2
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  template<typename _Key, typename _Tp, typename _Hash, typename _CPred,
+	   typename _Alloc, typename _Predicate>
+    void
+    erase_if(unordered_map<_Key, _Tp, _Hash, _CPred, _Alloc>& __cont,
+	     _Predicate __pred)
+    { __detail::__erase_nodes_if(__cont, __pred); }
+
+  template<typename _Key, typename _Tp, typename _Hash, typename _CPred,
+	   typename _Alloc, typename _Predicate>
+    void
+    erase_if(unordered_multimap<_Key, _Tp, _Hash, _CPred, _Alloc>& __cont,
+	     _Predicate __pred)
+    { __detail::__erase_nodes_if(__cont, __pred); }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace fundamentals_v2
+} // namespace experimental
+} // namespace std
+
+#endif // C++14
+
+#endif // _GLIBCXX_EXPERIMENTAL_UNORDERED_MAP
diff --git a/libstdc++-v3/include/experimental/unordered_set b/libstdc++-v3/include/experimental/unordered_set
new file mode 100644
index 0000000..4461047
--- /dev/null
+++ b/libstdc++-v3/include/experimental/unordered_set
@@ -0,0 +1,70 @@
+// <experimental/unordered_set> -*- C++ -*-
+
+// Copyright (C) 2015 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file experimental/unordered_set
+ *  This is a TS C++ Library header.
+ */
+
+#ifndef _GLIBCXX_EXPERIMENTAL_UNORDERED_SET
+#define _GLIBCXX_EXPERIMENTAL_UNORDERED_SET 1
+
+#pragma GCC system_header
+
+#if __cplusplus <= 201103L
+# include <bits/c++14_warning.h>
+#else
+
+#include <unordered_set>
+#include <experimental/erase_if.h>
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+namespace experimental
+{
+inline namespace fundamentals_v2
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  template<typename _Key, typename _Hash, typename _CPred, typename _Alloc,
+	   typename _Predicate>
+    void
+    erase_if(unordered_set<_Key, _Hash, _CPred, _Alloc>& __cont,
+	     _Predicate __pred)
+    { __detail::__erase_nodes_if(__cont, __pred); }
+
+  template<typename _Key, typename _Hash, typename _CPred, typename _Alloc,
+	   typename _Predicate>
+    void
+    erase_if(unordered_multiset<_Key, _Hash, _CPred, _Alloc>& __cont,
+	     _Predicate __pred)
+    { __detail::__erase_nodes_if(__cont, __pred); }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace fundamentals_v2
+} // namespace experimental
+} // namespace std
+
+#endif // C++14
+
+#endif // _GLIBCXX_EXPERIMENTAL_UNORDERED_SET
diff --git a/libstdc++-v3/include/experimental/vector b/libstdc++-v3/include/experimental/vector
new file mode 100644
index 0000000..2d4c1f7
--- /dev/null
+++ b/libstdc++-v3/include/experimental/vector
@@ -0,0 +1,72 @@
+// <experimental/vector> -*- C++ -*-
+
+// Copyright (C) 2015 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.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+/** @file experimental/vector
+ *  This is a TS C++ Library header.
+ */
+
+#ifndef _GLIBCXX_EXPERIMENTAL_VECTOR
+#define _GLIBCXX_EXPERIMENTAL_VECTOR 1
+
+#pragma GCC system_header
+
+#if __cplusplus <= 201103L
+# include <bits/c++14_warning.h>
+#else
+
+#include <vector>
+#include <algorithm>
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+namespace experimental
+{
+inline namespace fundamentals_v2
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+  template<typename _Tp, typename _Alloc, typename _Predicate>
+    void
+    erase_if(vector<_Tp, _Alloc>& __cont, _Predicate __pred)
+    {
+      __cont.erase(std::remove_if(__cont.begin(), __cont.end(), __pred),
+		   __cont.end());
+    }
+
+  template<typename _Tp, typename _Alloc, typename _Up>
+    void
+    erase(vector<_Tp, _Alloc>& __cont, const _Up& __value)
+    {
+      __cont.erase(std::remove(__cont.begin(), __cont.end(), __value),
+		   __cont.end());
+    }
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace fundamentals_v2
+} // namespace experimental
+} // namespace std
+
+#endif // C++14
+
+#endif // _GLIBCXX_EXPERIMENTAL_VECTOR
diff --git a/libstdc++-v3/testsuite/experimental/deque/erasure.cc b/libstdc++-v3/testsuite/experimental/deque/erasure.cc
new file mode 100644
index 0000000..9cec2bc
--- /dev/null
+++ b/libstdc++-v3/testsuite/experimental/deque/erasure.cc
@@ -0,0 +1,57 @@
+// { dg-options "-std=gnu++14" }
+// { dg-do run }
+
+// Copyright (C) 2015 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 moved_to of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <experimental/deque>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  bool test [[gnu::unused]] = true;
+
+  auto is_odd = [](const int i) { return i % 2 != 0; };
+
+  std::deque<int> d{ 10, 11, 12, 14, 15, 17, 18, 19 };
+  std::experimental::erase_if(d, is_odd);
+  std::deque<int> t{ 10, 12, 14, 18 };
+  VERIFY( d == t );
+}
+
+void
+test02()
+{
+  bool test [[gnu::unused]] = true;
+
+  std::deque<int> d{ 10, 11, 12, 14, 15, 17, 18, 19 };
+  std::experimental::erase(d, 14);
+  std::deque<int> t{ 10, 11, 12, 15, 17, 18, 19 };
+  VERIFY( d == t );
+  std::experimental::erase(d, 20);
+  VERIFY( d == t );
+}
+
+int
+main()
+{
+  test01();
+  test02();
+
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/experimental/forward_list/erasure.cc b/libstdc++-v3/testsuite/experimental/forward_list/erasure.cc
new file mode 100644
index 0000000..f5e1184
--- /dev/null
+++ b/libstdc++-v3/testsuite/experimental/forward_list/erasure.cc
@@ -0,0 +1,57 @@
+// { dg-options "-std=gnu++14" }
+// { dg-do run }
+
+// Copyright (C) 2015 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 moved_to of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <experimental/forward_list>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  bool test [[gnu::unused]] = true;
+
+  auto is_odd = [](const int i) { return i % 2 != 0; };
+
+  std::forward_list<int> fl{ 10, 11, 12, 14, 15, 17, 18, 19 };
+  std::experimental::erase_if(fl, is_odd);
+  std::forward_list<int> t{ 10, 12, 14, 18 };
+  VERIFY( fl == t );
+}
+
+void
+test02()
+{
+  bool test [[gnu::unused]] = true;
+
+  std::forward_list<int> fl{ 10, 11, 12, 14, 15, 17, 18, 19 };
+  std::experimental::erase(fl, 14);
+  std::forward_list<int> t{ 10, 11, 12, 15, 17, 18, 19 };
+  VERIFY( fl == t );
+  std::experimental::erase(fl, 20);
+  VERIFY( fl == t );
+}
+
+int
+main()
+{
+  test01();
+  test02();
+
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/experimental/list/erasure.cc b/libstdc++-v3/testsuite/experimental/list/erasure.cc
new file mode 100644
index 0000000..5aa6c87
--- /dev/null
+++ b/libstdc++-v3/testsuite/experimental/list/erasure.cc
@@ -0,0 +1,57 @@
+// { dg-options "-std=gnu++14" }
+// { dg-do run }
+
+// Copyright (C) 2015 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 moved_to of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <experimental/list>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  bool test [[gnu::unused]] = true;
+
+  auto is_odd = [](const int i) { return i % 2 != 0; };
+
+  std::list<int> l{ 10, 11, 12, 14, 15, 17, 18, 19 };
+  std::experimental::erase_if(l, is_odd);
+  std::list<int> t{ 10, 12, 14, 18 };
+  VERIFY( l == t );
+}
+
+void
+test02()
+{
+  bool test [[gnu::unused]] = true;
+
+  std::list<int> l{ 0, 11, 0, 0, 22, 33, 0, 0, 44, 0 };
+  std::experimental::erase(l, 0);
+  std::list<int> t{ 11, 22, 33, 44 };
+  VERIFY( l == t );
+  std::experimental::erase(l, 55);
+  VERIFY( l == t );
+}
+
+int
+main()
+{
+  test01();
+  test02();
+
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/experimental/map/erasure.cc b/libstdc++-v3/testsuite/experimental/map/erasure.cc
new file mode 100644
index 0000000..83547b9
--- /dev/null
+++ b/libstdc++-v3/testsuite/experimental/map/erasure.cc
@@ -0,0 +1,66 @@
+// { dg-options "-std=gnu++14" }
+// { dg-do run }
+
+// Copyright (C) 2015 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 moved_to of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <experimental/map>
+#include <testsuite_hooks.h>
+
+auto is_odd_pair = [](const std::pair<const int, std::string>& p)
+{
+  return p.first % 2 != 0;
+};
+
+void
+test01()
+{
+  bool test [[gnu::unused]] = true;
+
+  std::map<int, std::string> m{ { 10, "A" }, { 11, "B" },
+				{ 12, "C" }, { 14, "D" },
+				{ 15, "E" }, { 17, "F" },
+				{ 18, "G" }, { 19, "H" } };
+  std::experimental::erase_if(m, is_odd_pair);
+  std::map<int, std::string> t{ { 10, "A" }, { 12, "C" },
+				{ 14, "D" }, { 18, "G" } };
+  VERIFY( m == t );
+}
+
+void
+test02()
+{
+  bool test [[gnu::unused]] = true;
+
+  std::multimap<int, std::string> mm{ { 20, "S" }, { 21, "T" },
+				      { 22, "U" }, { 22, "V" },
+				      { 23, "W" }, { 23, "X" },
+				      { 24, "Y" }, { 25, "Z" } };
+  std::experimental::erase_if(mm, is_odd_pair);
+  std::multimap<int, std::string> t{ { 20, "S" }, { 22, "U" },
+				     { 22, "V" }, { 24, "Y" } };
+  VERIFY( mm == t );
+}
+
+int
+main()
+{
+  test01();
+  test02();
+
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/experimental/set/erasure.cc b/libstdc++-v3/testsuite/experimental/set/erasure.cc
new file mode 100644
index 0000000..a7f9a57
--- /dev/null
+++ b/libstdc++-v3/testsuite/experimental/set/erasure.cc
@@ -0,0 +1,55 @@
+// { dg-options "-std=gnu++14" }
+// { dg-do run }
+
+// Copyright (C) 2015 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 moved_to of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <experimental/set>
+#include <testsuite_hooks.h>
+
+auto is_odd = [](const int i) { return i % 2 != 0; };
+
+void
+test01()
+{
+  bool test [[gnu::unused]] = true;
+
+  std::set<int> s{ 10, 11, 12, 14, 15, 17, 18, 19 };
+  std::experimental::erase_if(s, is_odd);
+  std::set<int> t{ 10, 12, 14, 18 };
+  VERIFY( s == t );
+}
+
+void
+test02()
+{
+  bool test [[gnu::unused]] = true;
+
+  std::multiset<int> ms{ 20, 21, 22, 22, 23, 23, 24, 25 };
+  std::experimental::erase_if(ms, is_odd);
+  std::multiset<int> t{ 20, 22, 22, 24 };
+  VERIFY( ms == t );
+}
+
+int
+main()
+{
+  test01();
+  test02();
+
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/experimental/string/erasure.cc b/libstdc++-v3/testsuite/experimental/string/erasure.cc
new file mode 100644
index 0000000..aaa506d
--- /dev/null
+++ b/libstdc++-v3/testsuite/experimental/string/erasure.cc
@@ -0,0 +1,58 @@
+// { dg-options "-std=gnu++14" }
+// { dg-do run }
+
+// Copyright (C) 2015 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 moved_to of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <experimental/string>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  bool test [[gnu::unused]] = true;
+
+  auto is_vowel = [](const char c)
+  {
+    return c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u';
+  };
+
+  std::string str("cute fluffy kittens");
+  std::experimental::erase_if(str, is_vowel);
+  VERIFY( str == "ct flffy kttns" );
+}
+
+void
+test02()
+{
+  bool test [[gnu::unused]] = true;
+
+  std::string str = "cute fluffy kittens";
+  std::experimental::erase(str, 'f');
+  VERIFY( str == "cute luy kittens" );
+  std::experimental::erase(str, 'z');
+  VERIFY( str == "cute luy kittens" );
+}
+
+int
+main()
+{
+  test01();
+  test02();
+
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/experimental/unordered_map/erasure.cc b/libstdc++-v3/testsuite/experimental/unordered_map/erasure.cc
new file mode 100644
index 0000000..bb2e435
--- /dev/null
+++ b/libstdc++-v3/testsuite/experimental/unordered_map/erasure.cc
@@ -0,0 +1,66 @@
+// { dg-options "-std=gnu++14" }
+// { dg-do run }
+
+// Copyright (C) 2015 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 moved_to of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <experimental/unordered_map>
+#include <testsuite_hooks.h>
+
+auto is_odd_pair = [](const std::pair<const int, std::string>& p)
+{
+  return p.first % 2 != 0;
+};
+
+void
+test01()
+{
+  bool test [[gnu::unused]] = true;
+
+  std::unordered_map<int, std::string> um{ { 10, "A" }, { 11, "B" },
+					   { 12, "C" }, { 14, "D" },
+					   { 15, "E" }, { 17, "F" },
+					   { 18, "G" }, { 19, "H" } };
+  std::experimental::erase_if(um, is_odd_pair);
+  std::unordered_map<int, std::string> t{ { 10, "A" }, { 12, "C" },
+					  { 14, "D" }, { 18, "G" } };
+  VERIFY( um == t );
+}
+
+void
+test02()
+{
+  bool test [[gnu::unused]] = true;
+
+  std::unordered_multimap<int, std::string> umm{ { 20, "S" }, { 21, "T" },
+						 { 22, "U" }, { 22, "V" },
+						 { 23, "W" }, { 23, "X" },
+						 { 24, "Y" }, { 25, "Z" } };
+  std::experimental::erase_if(umm, is_odd_pair);
+  std::unordered_multimap<int, std::string> t{ { 20, "S" }, { 22, "U" },
+					       { 22, "V" }, { 24, "Y" } };
+  VERIFY( umm == t );
+}
+
+int
+main()
+{
+  test01();
+  test02();
+
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/experimental/unordered_set/erasure.cc b/libstdc++-v3/testsuite/experimental/unordered_set/erasure.cc
new file mode 100644
index 0000000..f296e35
--- /dev/null
+++ b/libstdc++-v3/testsuite/experimental/unordered_set/erasure.cc
@@ -0,0 +1,57 @@
+// { dg-options "-std=gnu++14" }
+// { dg-do run }
+
+// Copyright (C) 2015 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 moved_to of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <experimental/unordered_set>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  bool test [[gnu::unused]] = true;
+
+  auto is_odd = [](const int i) { return i % 2 != 0; };
+
+  std::unordered_set<int> us{ 10, 11, 12, 14, 15, 17, 18, 19 };
+  std::experimental::erase_if(us, is_odd);
+  std::unordered_set<int> t{ 10, 12, 14, 18 };
+  VERIFY( us == t );
+}
+
+void
+test02()
+{
+  bool test [[gnu::unused]] = true;
+
+  auto is_odd = [](const int i) { return i % 2 != 0; };
+
+  std::unordered_multiset<int> ums{ 20, 21, 22, 22, 23, 23, 24, 25 };
+  std::experimental::erase_if(ums, is_odd);
+  std::unordered_multiset<int> t{ 20, 22, 22, 24 };
+  VERIFY( ums == t );
+}
+
+int
+main()
+{
+  test01();
+  test02();
+
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/experimental/vector/erasure.cc b/libstdc++-v3/testsuite/experimental/vector/erasure.cc
new file mode 100644
index 0000000..98ba286
--- /dev/null
+++ b/libstdc++-v3/testsuite/experimental/vector/erasure.cc
@@ -0,0 +1,57 @@
+// { dg-options "-std=gnu++14" }
+// { dg-do run }
+
+// Copyright (C) 2015 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 moved_to of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <experimental/vector>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  bool test [[gnu::unused]] = true;
+
+  auto is_odd = [](const int i) { return i % 2 != 0; };
+
+  std::vector<int> v{ 10, 11, 12, 14, 15, 17, 18, 19 };
+  std::experimental::erase_if(v, is_odd);
+  std::vector<int> t{ 10, 12, 14, 18 };
+  VERIFY( v == t );
+}
+
+void
+test02()
+{
+  bool test [[gnu::unused]] = true;
+
+  std::vector<int> v{ 0, 11, 0, 0, 22, 33, 0, 0, 44, 0 };
+  std::experimental::erase(v, 0);
+  std::vector<int> t{ 11, 22, 33, 44 };
+  VERIFY( v == t );
+  std::experimental::erase(v, 55);
+  VERIFY( v == t );
+}
+
+int
+main()
+{
+  test01();
+  test02();
+
+  return 0;
+}