https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84992
--- Comment #2 from Tom de Vries <vries at gcc dot gnu.org> ---
(In reply to Tom de Vries from comment #0)
> When compiling this openacc testcase:
> ....
> #include <stdio.h>
>
> int
> main (void)
> {
> int n[1];
> n[0] = 3;
> #pragma acc parallel copy(n)
> {
> static const int test[] = {1,2,3,4};
> n[0] = test[n[0]];
> }
> printf ("n: %d\n", n[0]);
>
> return 0;
> }
> ...
>
> we run into an ICE:
> ...
> lto1: internal compiler error: in input_varpool_node, at lto-cgraph.c:1424^M
> ...
>
> We've reported the ICE at PR84592, where we use a slightly more complicated
> example.
>
> But the first question here is: is this a valid openacc program?
>
> Given that function static variables are not supported in functions to which
> a routine directive applies, are function static variables supported in
> parallel regions, or not?
>
> If not, we should emit a proper error message.
>
> If so, we should implement the required semantics.
Thomas,
can you get this clarified with the OpenACC standard people?
Thanks,
- Tom
