PR tree-optimization/27865
	* tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
	for pointer types.
	* tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
	fold_used_pointer, pointer_used_p): New functions.
	(analyze_scalar_evolution_1): Use fold_used_pointer.
	* tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
	* tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
	for pointers.

From-SVN: r116213