2011-04-28  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (dump_constraint): Don't end the line.
	(debug_constraint): Do it here.
	(dump_constraints): And here.
	(rewrite_constraints): And here.
	(dump_constraint_edge): Remove.
	(dump_constraint_graph): Rewrite to produce DOT output.
	(solve_constraints): Build succ graph as late as possible.
	Dump constraint graphs before and after solving.

From-SVN: r173061