[gcc r9-9904] Update documentation of %X spec

[Eric Botcazou <ebotcazou@gcc.gnu.org>]

https://gcc.gnu.org/g:55302883448ddfdb64a0261e99a6064f85b2d109

commit r9-9904-g55302883448ddfdb64a0261e99a6064f85b2d109
Author: Eric Botcazou <ebotcazou@adacore.com>
Date:   Thu Oct 28 15:51:14 2021 +0200

    Update documentation of %X spec
    
    %X
    Output the accumulated linker options specified by -Wl or a ‘%x’ spec string
    
    The part about -Wl has been obsolete for 27 years, since this change:
    
    Author: Torbjorn Granlund <tege@gnu.org>
    Date:   Thu Oct 27 18:04:25 1994 +0000
    
        (process_command): Handle -Wl, and -Xlinker similar to -l,
    
        i.e., preserve their order with respect to linker input files.
    
    Technically speaking, the arguments of -l, -Wl and -Xlinker are input files.
    
    gcc/
            * doc/invoke.texi (%X): Remove obsolete reference to -Wl.

Diff:
---
 gcc/doc/invoke.texi | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 3f0c8715c7a..f61f8c541e0 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -29401,8 +29401,7 @@ Substitute the contents of spec string @var{name} at this point.
 Accumulate an option for @samp{%X}.
 
 @item %X
-Output the accumulated linker options specified by @option{-Wl} or a @samp{%x}
-spec string.
+Output the accumulated linker options specified by a @samp{%x} spec string.
 
 @item %Y
 Output the accumulated assembler options specified by @option{-Wa}.