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// PR c++/93931
// { dg-do run }
// { dg-options "-O2 -std=c++14" }
extern "C" void abort ();
void
sink (int &x)
{
int *volatile p;
p = &x;
(*p)++;
}
int
foo ()
{
int r = 0;
[&r] () {
#pragma omp parallel for reduction(+ : r)
for (int i = 0; i < 1024; ++i)
r += i;
} ();
return r;
}
int
bar ()
{
int l = 0;
[&l] () {
#pragma omp parallel for lastprivate (l)
for (int i = 0; i < 1024; ++i)
l = i;
} ();
return l;
}
void
baz ()
{
int f = 18;
[&f] () {
#pragma omp parallel for firstprivate (f)
for (int i = 0; i < 1024; ++i)
{
sink (f);
f += 3;
sink (f);
if (f != 23)
abort ();
sink (f);
f -= 7;
sink (f);
}
} ();
if (f != 18)
abort ();
}
int
qux ()
{
int r = 0;
[&] () {
#pragma omp parallel for reduction(+ : r)
for (int i = 0; i < 1024; ++i)
r += i;
} ();
return r;
}
int
corge ()
{
int l = 0;
[&] () {
#pragma omp parallel for lastprivate (l)
for (int i = 0; i < 1024; ++i)
l = i;
} ();
return l;
}
void
garply ()
{
int f = 18;
[&] () {
#pragma omp parallel for firstprivate (f)
for (int i = 0; i < 1024; ++i)
{
sink (f);
f += 3;
sink (f);
if (f != 23)
abort ();
sink (f);
f -= 7;
sink (f);
}
} ();
if (f != 18)
abort ();
}
int
main ()
{
if (foo () != 1024 * 1023 / 2)
abort ();
if (bar () != 1023)
abort ();
baz ();
if (qux () != 1024 * 1023 / 2)
abort ();
if (corge () != 1023)
abort ();
garply ();
}
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