builtins.c (fold_builtin_next_arg): Use stdarg_p.

builtins.c (fold_builtin_next_arg): Use stdarg_p.

gcc/
	* builtins.c (fold_builtin_next_arg): Use stdarg_p.
	* config/arm/arm.c (arm_get_pcs_model): Likewise.
	* config/avr/avr.c (init_cumulative_args): Likewise.
	* config/iq2000/iq2000.c (iq2000_expand_prologue): Likewise.
	* config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise.
	* config/m68k/m68k.c (m68k_return_pops_args): Likewise.
	* config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
	* config/pa/pa.c (hppa_builtin_saveregs): Likewise.
	* config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
	* config/rs6000/rs6000.c (init_cumulative_args): Likewise.
	* dwarf2out.c (gen_subprogram_die): Likewise.
	* function.c (allocate_struct_function): Likewise.
	* c-aux-info.c (gen_formal_list_for_func_dec): Likewise.
	(deserves_ellipsis): Delete.

gcc/cp/
	* tree.c (varargs_function_p): Use stdarg_p.

From-SVN: r163033