gdb/

gdb/
	* NEWS: Describe new options --init-command=FILE, -ix and
	--init-eval-command=COMMAND, -iex.
	* main.c (struct cmdarg): New enum items CMDARG_INIT_FILE and
	CMDARG_INIT_COMMAND.
	(captured_main): New enum items OPT_IX and OPT_IEX.  Add
	"init-command", "init-eval-command", "ix" and "iex" to the variable
	long_options.  Handle OPT_IX and OPT_IEX.  Process them from CMDARG_VEC.
	New comment for CMDARG_FILE and CMDARG_COMMAND processing.
	(print_gdb_help): Describe --init-command=FILE, -ix and
	--init-eval-command=COMMAND, -iex.

gdb/doc/
	* gdb.texinfo (File Options): Describe --init-command=FILE, -ix and
	--init-eval-command=COMMAND, -iex.
	(Startup): Describe -iex and -ix.  Simplify the example
	for "set auto-load-scripts off".

gdb/testsuite/
	* gdb.gdb/selftest.exp (do_steps_and_nexts): New entry
	for cmdarg_vec = NULL.  Remove entries for cmdsize = 1, cmdarg = and
	ncmd = 0.  New entry for VEC_cleanup cmdarg_s.