2016-02-24  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/69907
	* tree-vect-stmts.c (vectorizable_load): Check for gaps at the
	end of permutations for BB vectorization.

	* gcc.dg/vect/bb-slp-pr69907.c: New testcase.
	* gcc.dg/vect/bb-slp-34.c: XFAIL.
	* gcc.dg/vect/bb-slp-pr68892.c: Likewise.

From-SVN: r233655