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// { dg-do run }
// Copyright (C) 2004 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 8 Dec 2004 <nathan@codesourcery.com>
// PR 16681 too much memory used
// Origin: Matt LaFary <lafary@activmedia.com>
struct elt
{
static int count;
static elt*ptr;
static int abort;
char c;
elt ();
~elt ();
};
int elt::count;
elt *elt::ptr;
int elt::abort;
elt::elt ()
:c ()
{
if (count >= 0)
{
if (!ptr)
ptr = this;
if (count == 100)
throw 2;
if (this != ptr)
abort = 1;
count++;
ptr++;
}
}
elt::~elt ()
{
if (count >= 0)
{
ptr--;
count--;
if (ptr != this)
abort = 2;
}
}
struct foo {
elt buffer[4111222];
foo() ;
bool check () const;
};
foo::foo ()
: buffer()
{}
bool foo::check () const
{
for (unsigned ix = sizeof (buffer)/ sizeof (buffer[0]); ix--;)
if (buffer[ix].c)
return false;
return true;
}
void *operator new (__SIZE_TYPE__ size, void *p)
{
return p;
}
char heap[5000000];
int main ()
{
for (unsigned ix = sizeof (heap); ix--;)
heap[ix] = ix;
try
{
foo *f = new (heap) foo ();
return 1;
}
catch (...)
{
if (elt::count)
return 2;
if (elt::abort)
return elt::abort + 3;
}
for (unsigned ix = sizeof (heap); ix--;)
heap[ix] = ix;
elt::count = -1;
foo *f = new (heap) foo ();
if (!f->check ())
return 3;
return 0;
}
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