add test case with local structure variable
add test case with local structure variable

This test case is currently not mapped to the device because no parallelism
can be found based on the schedule constraints.  However, the upcoming
commits will relax these constraints such that the code will end up getting
mapped to the device.

Signed-off-by: Sven Verdoolaege <e5350bbed4977f5eb8ae1dc6abd9ae59d21ace75@kotnet.org>

Meinersbur/ppcg,nicolasvasilache/ppcg,nicolasvasilache/ppcg,Meinersbur/ppcg