2019-07-10  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/91126
	* tree-ssa-sccvn.c (n_walk_cb_data::push_partial_def): Adjust
	native encoding offset for BYTES_BIG_ENDIAN.
	(vn_reference_lookup_3): Likewise.

	* gcc.dg/torture/pr91126.c: New testcase.

From-SVN: r273355