[PATCH] Fortran -- clean up KILL

[Steve Kargl]

On Mon, Mar 12, 2018 at 09:05:09PM +0200, Janne Blomqvist wrote:
> 
> Yes, I understand that -fdefault-integer-8 (or whatever the equivalent
> option was called on g77) is the original motivation. Like I said, I
> don't have any particular opinion on whether we should keep that
> restriction or not. On one hand, more recent versions of the standard
> has lifted restrictions that integer intrinsic arguments have to be of
> default kind in many cases, OTOH KILL is not a standard intrinsic but
> something inherited from g77. So, meh.

The Fortran standard specifically permits a Fortran processor to 
supply additional subprograms not contained in the Fortran standard.
I personally can't any person person using INTEGER(1) or even 
INTEGER(2) with KILL as pid_t on typical modern OS's exceeds HUGE()
in those types.  My original patch simply fixed KILL to actually
conform to its documentation.  But is this what you want

2018-03-12  Steven G. Kargl  <kargl@gcc.gnu.org>

	* check.c (gfc_check_kill_sub):  Remove check for INTEGER(4) or (8).
	* intrinsic.c (add_functions): Remove reference to gfc_resolve_kill.
	(add_subroutines): Remove reference to gfc_resolve_kill_sub.
	* intrinsic.texi: Update documentation.
	* iresolve.c (gfc_resolve_kill, gfc_resolve_kill_sub): Remove.
	* trans-decl.c (gfc_build_intrinsic_function_decls):  Add gfor_fndecl_kill
	and gfor_fndecl_kill_sub
	* trans-intrinsic.c (conv_intrinsic_kill, conv_intrinsic_kill_sub): new
	functions.
	(gfc_conv_intrinsic_function): Use conv_intrinsic_kill.
        (gfc_conv_intrinsic_subroutine): Use conv_intrinsic_kill_sub.
	* trans.h: Declare gfor_fndecl_kill and gfor_fndecl_kill_sub.
 
2018-03-12  Steven G. Kargl  <kargl@gcc.gnu.org>

	* libgfortran/gfortran.map: Remove _gfortran_kill_i4, _gfortran_kill_i4_sub,
	_gfortran_kill_i8, and _gfortran_kill_i8_sub.  Add _gfortran_kill and
	_gfortran_kill_sub.
	* libgfortran/intrinsics/kill.c: Eliminate _gfortran_kill_i4,
	_gfortran_kill_i4_sub, _gfortran_kill_i8, and _gfortran_kill_i8_sub.
	Add _gfortran_kill and _gfortran_kill_sub.

-- 
Steve
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