[glibc/azanella/bz30266] string: Allow use of test-string.h for non-ifunc implementations.

[glibc/azanella/bz30266] string: Allow use of test-string.h for non-ifunc implementations.

[Adhemerval Zanella]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1626d8a521c7c771d4118b1328421fea113cab64

commit 1626d8a521c7c771d4118b1328421fea113cab64
Author: Joe Simmons-Talbott <josimmon@redhat.com>
Date:   Fri Apr 21 09:24:22 2023 -0400

    string: Allow use of test-string.h for non-ifunc implementations.
    
    Mark two variables as unused to silence warning when using
    test-string.h for non-ifunc implementations.
    
    Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

Diff:
---
 string/test-string.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/string/test-string.h b/string/test-string.h
index 41de973479..8bcb8afd0a 100644
--- a/string/test-string.h
+++ b/string/test-string.h
@@ -130,8 +130,8 @@ cmdline_process_function (int c)
 /* Increase size of FUNC_LIST if assert is triggered at run-time.  */
 static struct libc_ifunc_impl func_list[32];
 static int func_count;
-static int impl_count = -1;
-static impl_t *impl_array;
+static int impl_count __attribute__ ((unused)) = -1;
+static impl_t *impl_array __attribute__ ((unused));
 
 # define FOR_EACH_IMPL(impl, notall) \
   impl_t *impl;								\