* gcc.dg/tree-ssa/reassoc-39.c: Use -g.  Adjust dg-final.
	(f6): New.
	(f7): New.
	(f8): New.
	(f9): New.
	(f10): New.
	(f11): New.
	(f12): New.
	(f13): New.

From-SVN: r228812