re PR tree-optimization/85331 (during GIMPLE pass, internal compiler error: Segmentation fault (-O1 and above))

	PR tree-optimization/85331
	* vec-perm-indices.h (vec_perm_indices::clamp): Change input type
	from int to HOST_WIDE_INT.

	* gcc.c-torture/execute/pr85331.c: New test.

From-SVN: r259320