struct-layout-1.exp: Pass -e to generator program on short-enum targets.

struct-layout-1.exp: Pass -e to generator program on short-enum targets.

2006-01-26  Paul Brook  <paul@codesourcery.com>

	* gcc.dg/compat/struct-layout-1.exp: Pass -e to generator program
	on short-enum targets.
	* gcc.dg/compat/struct-layout-1_generate.c (short_enums): New
	variable.
	(generate_fields): Use short_enums.
	(main): Set short_enums.  Document -e.
	* g++.dg/compat/struct-layout-1.exp: Pass -e to generator program
	on short-enum targets.
	* g++.dg/compat/struct-layout-1_generate.c (short_enums): New
	variable.
	(generate_fields): Use short_enums.
	(main): Set short_enums.  Document -e.
	* lib/target-supports.exp (check_effective_target_short_enums): New.

From-SVN: r110247