[PATCH] Test for sigsetjmp support in analyzer tests requiring that feature.

[David Malcolm]

On Sun, 2020-03-22 at 11:31 -0600, Sandra Loosemore wrote:
> The new-ish analyzer test cases sigsetjmp-5.c and sigsetjmp-6.c were 
> failing on nios2-elf and probably other newlib targets due to lack
> of 
> support for sigsetjmp.

Sorry about the breakage.

> I didn't see a suitable existing 
> effective-target test for this, so I added one.

Thanks.

> OK to commit?

Looks good to me.

Dave