2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* basic-block.h (bb_note): Strengthen return type from rtx to
	rtx_note *.
	* sched-int.h (bb_note): Likewise.
	* cfgrtl.c (bb_note): Likewise.  Add a checked cast to rtx_note *.

From-SVN: r214188