[gcc r15-6794] Fix bootstrap on !HARDREG_PRE_REGNOS targets

[Richard Biener via Gcc-cvs]

https://gcc.gnu.org/g:553411851d9d20510979eb4daa6675d01a79aea4

commit r15-6794-g553411851d9d20510979eb4daa6675d01a79aea4
Author: Richard Biener <rguent...@suse.de>
Date:   Fri Jan 10 15:40:36 2025 +0100

    Fix bootstrap on !HARDREG_PRE_REGNOS targets
    
    Pushed as obvious.
    
            * gcse.cc (pass_hardreg_pre::gate): Wrap possibly unused
            fun argument.

Diff:
---
 gcc/gcse.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/gcse.cc b/gcc/gcse.cc
index 3f3f7fe15b0c..4ae19f28430e 100644
--- a/gcc/gcse.cc
+++ b/gcc/gcse.cc
@@ -4351,7 +4351,7 @@ public:
 }; // class pass_rtl_pre
 
 bool
-pass_hardreg_pre::gate (function *fun)
+pass_hardreg_pre::gate (function * ARG_UNUSED (fun))
 {
 #ifdef HARDREG_PRE_REGNOS
   return optimize > 0