re PR tree-optimization/67700 ([graphite] miscompile due to wrong codegen)
fix PR67700
The patch makes the detection of scop parameters in parameter_index_in_region a
bit more conservative by discarding scalar variables defined in function of data
references defined in the scop.
2015-09-25 Aditya Kumar <aditya.k7@samsung.com>
Sebastian Pop <s.pop@samsung.com>