This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug c++/36308] New: OpenMP privatized vars don't get dtors called if they are virtual
- From: "jakub at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 23 May 2008 08:50:05 -0000
- Subject: [Bug c++/36308] New: OpenMP privatized vars don't get dtors called if they are virtual
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
// { dg-do run }
#include <omp.h>
#include <assert.h>
#define N 10
struct B
{
static int icount;
static int ccount;
static int dcount;
static int xcount;
B ();
B (const B &);
virtual ~B ();
B& operator= (const B &);
void doit ();
static void clear () { icount = ccount = dcount = xcount = 0; }
};
int B::icount;
int B::ccount;
int B::dcount;
int B::xcount;
B::B ()
{
#pragma omp atomic
icount++;
}
B::B (const B &)
{
#pragma omp atomic
ccount++;
}
B::~B ()
{
#pragma omp atomic
dcount++;
}
void
B::doit ()
{
#pragma omp atomic
xcount++;
}
static int nthreads;
void
test1 ()
{
B b[N];
#pragma omp parallel private (b)
{
#pragma omp master
nthreads = omp_get_num_threads ();
b[0].doit ();
}
}
void
test2 ()
{
B b;
#pragma omp parallel firstprivate (b)
{
#pragma omp single
nthreads = omp_get_num_threads ();
b.doit ();
}
}
int
main ()
{
omp_set_dynamic (0);
omp_set_num_threads (4);
B::clear ();
test1 ();
assert (B::xcount == nthreads);
assert (B::ccount == 0);
assert (B::icount == (nthreads + 1) * N);
assert (B::dcount == (nthreads + 1) * N);
B::clear ();
test2 ();
assert (B::xcount == nthreads);
assert (B::ccount == nthreads);
assert (B::icount == 1);
assert (B::dcount == nthreads + 1);
return 0;
}
fails when the dtor is virtual, succeeds when it is not virtual.
finish_omp_clauses calls get_callee_fndecl, but in this case on CALL_EXPR
with OBJ_TYPE_REF inside and thus returns NULL. We always know the type of the
var at compile time, so we just should use cp_fold_obj_type_ref in this case.
--
Summary: OpenMP privatized vars don't get dtors called if they
are virtual
Product: gcc
Version: 4.3.1
Status: UNCONFIRMED
Keywords: openmp
Severity: normal
Priority: P3
Component: c++
AssignedTo: jakub at gcc dot gnu dot org
ReportedBy: jakub at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36308