re PR tree-optimization/45982 (PTA does not track integers)
2010-10-13 Richard Guenther <rguenther@suse.de>
PR tree-optimization/45982
* tree-ssa-structalias.c (make_constraints_to): New function.
(make_constraint_to): Implement in terms of make_constraints_to.
(find_func_aliases): Properly make return values of pure/const
functions escape if they assign to sth that is not a pointer.