re PR tree-optimization/37869 (PTA results wrong for "non-pointer" variables)

re PR tree-optimization/37869 (PTA results wrong for "non-pointer" variables)

2008-11-25  Daniel Berlin  <dberlin@dberlin.org>
	Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/37869
	* tree-ssa-structalias.c (struct constraint_graph): Remove
	pt_used and number_incoming members.
	(build_pred_graph): Do not allocate them.
	(condense_visit): Do not use them.
	(label_visit): Likewise.
	(free_var_substitution_info): Do not free them.

Co-Authored-By: Richard Guenther <rguenther@suse.de>
From-SVN: r142213