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// Support routines for the -*- C++ -*- dynamic memory management.
// Copyright (C) 1997-2015 Free Software Foundation, Inc.
// This file is part of GCC.
// 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 3, or (at your option)
// any later version.
// GCC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// 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
// <>.
#include <bits/c++config.h>
#include <cstdlib>
#include <bits/exception_defines.h>
#include "new"
using std::new_handler;
using std::bad_alloc;
using std::malloc;
// A freestanding C runtime may not provide "malloc" -- but there is no
// other reasonable way to implement "operator new".
extern "C" void *malloc (std::size_t);
operator new (std::size_t sz) _GLIBCXX_THROW (std::bad_alloc)
void *p;
/* malloc (0) is unpredictable; avoid it. */
if (sz == 0)
sz = 1;
while (__builtin_expect ((p = malloc (sz)) == 0, false))
new_handler handler = std::get_new_handler ();
if (! handler)
handler ();
return p;