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      1 // Boilerplate support routines for -*- C++ -*- dynamic memory management.
      2 
      3 // Copyright (C) 1997-2024 Free Software Foundation, Inc.
      4 //
      5 // This file is part of GCC.
      6 //
      7 // GCC is free software; you can redistribute it and/or modify
      8 // it under the terms of the GNU General Public License as published by
      9 // the Free Software Foundation; either version 3, or (at your option)
     10 // any later version.
     11 //
     12 // GCC is distributed in the hope that it will be useful,
     13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
     14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     15 // GNU General Public License for more details.
     16 //
     17 // Under Section 7 of GPL version 3, you are granted additional
     18 // permissions described in the GCC Runtime Library Exception, version
     19 // 3.1, as published by the Free Software Foundation.
     20 
     21 // You should have received a copy of the GNU General Public License and
     22 // a copy of the GCC Runtime Library Exception along with this program;
     23 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
     24 // <http://www.gnu.org/licenses/>.
     25 
     26 #include <bits/c++config.h>
     27 
     28 #if !_GLIBCXX_HOSTED
     29 // A freestanding C runtime may not provide "free" -- but there is no
     30 // other reasonable way to implement "operator delete".
     31 namespace std
     32 {
     33 _GLIBCXX_BEGIN_NAMESPACE_VERSION
     34   extern "C" void free(void*);
     35 _GLIBCXX_END_NAMESPACE_VERSION
     36 } // namespace
     37 #else
     38 # include <cstdlib>
     39 #endif
     40 
     41 #include "new"
     42 
     43 _GLIBCXX_WEAK_DEFINITION void
     44 operator delete (void *ptr, const std::nothrow_t&) noexcept
     45 {
     46   // _GLIBCXX_RESOLVE_LIB_DEFECTS
     47   // 206. operator new(size_t, nothrow) may become unlinked to ordinary
     48   // operator new if ordinary version replaced
     49   ::operator delete (ptr);
     50 }
     51