re PR target/69634 (-fcompare-debug failure (length) with -O2 -fno-dce -fschedule-insns -fno-tree-vrp @ i686)

2016-02-11  Alexandre Oliva  <aoliva@redhat.com>

	PR target/69634
	* regstat.c (regstat_bb_compute_calls_crossed): Disregard
	debug insns.

	PR target/69634
	* gcc.dg/pr69634.c: New.

From-SVN: r233250