gcc/libgomp/testsuite/libgomp.c/pr80809-3.c
Jakub Jelinek 655e52652b re PR middle-end/80809 (Multi-free error for variable size array used within OpenMP task)
PR middle-end/80809
	* omp-low.c (finish_taskreg_remap): New function.
	(finish_taskreg_scan): If unit size of ctx->record_type
	is non-constant, unshare the size expression and replace
	decls in it with possible outer var refs.

	* testsuite/libgomp.c/pr80809-2.c: New test.
	* testsuite/libgomp.c/pr80809-3.c: New test.

From-SVN: r248346
2017-05-22 20:54:54 +02:00

43 lines
697 B
C

/* PR middle-end/80809 */
/* { dg-do run } */
__attribute__((noinline, noclone)) void
foo (int x)
{
int i, v[x], w[16];
for (i = 0; i < x; i++)
v[i] = i;
for (i = 0; i < 16; i++)
w[i] = 0;
#pragma omp parallel
#pragma omp single
{
int z[x];
for (i = 0; i < x; i++)
z[0] = 0;
for (i = 0; i < 16; i++)
#pragma omp task firstprivate (z) firstprivate (v)
{
int j;
for (j = 0; j < x; j++)
z[j] = i;
for (j = 0; j < x; j++)
v[j] += z[j];
for (j = 0; j < x; j++)
w[i] += v[j];
}
}
for (i = 0; i < 16; i++)
if (w[i] != (x - 1) * x / 2 + x * i)
__builtin_abort ();
}
int
main ()
{
foo (4);
foo (27);
foo (196);
return 0;
}