* gcc.dg/compat/struct-layout-1_generate.c (dg_options): New.  Moved
	dg-options lines to this array, and added options for xtensa*-*-*.
	(NDG_OPTIONS): Define.
	(switchfiles): Print dg-options lines from new dg_options array.
	* g++.dg/compat/struct-layout-1_generate.c (dg_options): Add options
	for xtensa*-*-* targets.

From-SVN: r140939