* ginclude/varargs.h: Replace with stub which issues #error.

	* ginclude/stdarg.h: __builtin_stdarg_start is renamed
	__builtin_va_start.

	* builtins.def (BUILT_IN_VARARGS_START): Delete.
	(BUILT_IN_VA_START): New.
	* builtins.c (expand_builtin_va_start): Eliminate first
	argument and code to implement pre-ISO varargs.
	(std_expand_builtin_va_start): Ignore first argument; it is
	always 1.
	(expand_builtin): Handle BUILT_IN_VA_START and
	BUILT_IN_STDARG_START identically.  Delete
	BUILT_IN_VARARGS_START case.

	* function.c (assign_parms): Delete hide_last_arg and all
	its uses.
	(mark_varargs): Delete function.
	* function.h (struct function): Delete 'varargs' bit.
	(current_function_varargs): Delete macro.
	* tree.h: Don't declare mark_varargs.

	* c-decl.c (c_function_varargs, c_mark_varargs): Delete.
	(c_expand_body): Don't call mark_varargs.
	* c-objc-common.c: Handle BUILT_IN_VA_START and
	BUILT_IN_STDARG_START identically.  Delete
	BUILT_IN_VARARGS_START case.
	* c-tree.h: Don't declare c_mark_varargs.
	* c-parse.in: Remove grammar rules for '&...' (which has been
	commented out since before 2.7.2) and for '...' in K+R
	argument declarations.

	* builtins.c, function.c, integrate.c, sibcall.c,
	config/alpha/unicosmk.h, config/arc/arc.c, config/arc/arc.h,
	config/avr/avr.c, config/cris/cris.c, config/fr30/fr30.c,
	config/i960/i960.c, config/i960/i960.md, config/m32r/m32r.c,
	config/m32r/m32r.h, config/m88k/m88k.c, config/m88k/m88k.h,
	config/mips/mips.c, config/mmix/mmix.c, config/mmix/mmix.h,
	config/mn10300/mn10300.c, config/pa/som.h, config/s390/s390.c,
	config/sh/sh.c, config/sh/sh.h, config/sparc/sparc.h,
	config/stormy16/stormy16.c: Delete all references to
	current_function_varargs, and code predicated on that flag.

	* config/alpha/alpha.c (alpha_va_start),
	config/arc/arc.c (arc_va_start),
	config/i386/i386.c (ix86_va_start),
	config/mips/mips.c (mips_va_start),
	config/mn10300/mn10300.c (mn10300_va_start),
	config/rs6000/rs6000.c (rs6000_va_start),
	config/s390/s390.c (s390_va_start),
	config/sh/sh.c (sh_va_start),
	Ignore first argument; it is always 1.

	* config/c4x/c4x-protos.h, config/c4x/c4x.c: Delete c4x_va_start.
	* config/ia64/ia64-protos.h, config/ia64/ia64.c: Delete ia64_va_start.
	* config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
	Delete m68hc11_va_start.
	* config/c4x/c4x.h, config/ia64/ia64.h, config/m68hc11/m68hc11.h:
	No need to define EXPAND_BUILTIN_VA_START.

	* doc/invoke.texi, doc/sourcebuild.texi, doc/tm.texi,
	doc/trouble.texi: Remove references to GCC-provided <varargs.h>.

testsuite:
	* c-torture/execute/991216-3.c, c-torture/execute/strct-varg-1.c,
	c-torture/execute/va-arg-7.c, c-torture/execute/va-arg-8.c,
	c-torture/execute/va-arg-15.c, c-torture/execute/va-arg-16.c,
	c-torture/execute/va-arg-17.c, c-torture/execute/va-arg-19.c:
	Convert to use <stdarg.h>.
	* c-torture/execute/va-arg-3.c, c-torture/execute/va-arg-3.x:
	Delete.
	* gcc.dg/va-arg-2.c: New.
	* lib/gcc.exp, lib/objc.exp: Remove code to set -DNO_VARARGS.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55472 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 12 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/va-arg-2.c b/gcc/testsuite/gcc.dg/va-arg-2.c
new file mode 100644
index 00000000000..2e2849c1528
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/va-arg-2.c
@@ -0,0 +1,12 @@
+/* <varargs.h> is not supported anymore, but we do install a stub
+   file which issues an #error telling the user to convert their code.  */
+
+/* { dg-do compile } */
+
+#include <varargs.h>  /* { dg-bogus "varargs.h" "missing file" } */
+
+/* { dg-error "" "In file included from" { target *-*-* } 6 } */
+/* { dg-error "no longer implements" "#error 1" { target *-*-* } 4 } */
+/* { dg-error "Revise your code" "#error 2" { target *-*-* } 5 } */
+
+int x;  /* prevent empty-source-file warning */