Add transform_to_exit_first_loop_alt dump success message

Add transform_to_exit_first_loop_alt dump success message

2015-07-24  Tom de Vries  <tom@codesourcery.com>

	* tree-parloops.c (gen_parallel_loop): Add debug print for alternative
	exit-first loop transform.

	* gcc.dg/parloops-exit-first-loop-alt-2.c: Use debug print for
	alternative exit-first loop transform.
	* gcc.dg/parloops-exit-first-loop-alt-3.c: Same.
	* gcc.dg/parloops-exit-first-loop-alt-4.c: Same.
	* gcc.dg/parloops-exit-first-loop-alt-5.c: Same.
	* gcc.dg/parloops-exit-first-loop-alt-6.c: Same.
	* gcc.dg/parloops-exit-first-loop-alt-7.c: Same.
	* gcc.dg/parloops-exit-first-loop-alt-pr66652.c: Same.
	* gcc.dg/parloops-exit-first-loop-alt.c: Same.
	* gfortran.dg/parloops-exit-first-loop-alt-2.f95: Same.
	* gfortran.dg/parloops-exit-first-loop-alt.f95: Same.

From-SVN: r226164