* calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
	 ECF_LONGJMP, ECF_FORK_OR_EXEC):  New constants.
	(ECF_IS_CONST): Rename to ECF_CONST.
	(special_function_p): Make static, change interface.
	(flags_from_decl_or_type, try_to_integrate): Break out from ...
	(expand_call) ... here; convert number of variables to flags.
	(emit_library_call_vlue_1): Likewise.
	(setjmp_call_p): New function.
	(initialize_argument_information): Accepts flags as argument;
	return flags.
	(precompute_arguments): Likewise.
	* tree.h (special_function_p): Remove.
	(setjmp_call_p): Add prototype.

From-SVN: r32904