2019-05-20  Richard Biener  <rguenther@suse.de>

	* gimple-match-head.c: Include vec-perm-indices.h.
	* generic-match-head.c: Likewise.
	* fold-const.h (fold_vec_perm): Declare when vec-perm-indices.h
	is included.
	* fold-const.c (fold_vec_perm): Export.
	(fold_ternary_loc): Move non-constant folding of VEC_PERM_EXPR...
	(match.pd): ...here.

From-SVN: r271404