// Boilerplate support routines for -*- C++ -*- dynamic memory management.
-// Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation
+
+// Copyright (C) 1997-2020 Free Software Foundation, Inc.
//
-// This file is part of GNU CC.
+// This file is part of GCC.
//
-// GNU CC is free software; you can redistribute it and/or modify
+// GCC 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 2, or (at your option)
+// the Free Software Foundation; either version 3, or (at your option)
// any later version.
//
-// GNU CC is distributed in the hope that it will be useful,
+// GCC 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 GNU CC; see the file COPYING. If not, write to
-// the Free Software Foundation, 59 Temple Place - Suite 330,
-// Boston, MA 02111-1307, USA.
-//
-// As a special exception, you may use this file as part of a free software
-// library without restriction. Specifically, if other files instantiate
-// templates or use macros or inline functions from this file, or you compile
-// this file and link it with other files to produce an executable, this
-// file does not by itself cause the resulting executable to be covered by
-// the GNU General Public License. This exception does not however
-// invalidate any other reasons why the executable file might be covered by
-// the GNU General Public License.
+// 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.
-#include "new"
+// 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/>.
+
+#include <bits/c++config.h>
-extern "C" void free (void *);
+#if !_GLIBCXX_HOSTED
+// A freestanding C runtime may not provide "free" -- but there is no
+// other reasonable way to implement "operator delete".
+namespace std
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+ extern "C" void free(void*);
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
+#else
+# include <cstdlib>
+#endif
+
+#include "new"
-void
-operator delete (void *ptr, const std::nothrow_t&) throw ()
+_GLIBCXX_WEAK_DEFINITION void
+operator delete (void *ptr, const std::nothrow_t&) noexcept
{
- if (ptr)
- free (ptr);
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 206. operator new(size_t, nothrow) may become unlinked to ordinary
+ // operator new if ordinary version replaced
+ ::operator delete (ptr);
}