[gcc r13-6414] gcc.dg/memchr-3.c: Account for LLP64 warnings

[Jonathan Yong]

https://gcc.gnu.org/g:62a8d31ecc07041af4a81353c2d57d9845c4b771

commit r13-6414-g62a8d31ecc07041af4a81353c2d57d9845c4b771
Author: Jonathan Yong <10walls@gmail.com>
Date:   Mon Feb 27 10:02:32 2023 +0000

    gcc.dg/memchr-3.c: Account for LLP64 warnings
    
            gcc/testsuite/ChangeLog:
    
            PR middle-end/97956
            * gcc.dg/memchr-3.c (memchr): Account for LLP64 warnings.
    
    Signed-off-by: Jonathan Yong <10walls@gmail.com>

Diff:
---
 gcc/testsuite/gcc.dg/memchr-3.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/testsuite/gcc.dg/memchr-3.c b/gcc/testsuite/gcc.dg/memchr-3.c
index c38d9cf3349..af1b26ef3ae 100644
--- a/gcc/testsuite/gcc.dg/memchr-3.c
+++ b/gcc/testsuite/gcc.dg/memchr-3.c
@@ -6,7 +6,7 @@
 typedef __INT8_TYPE__  int8_t;
 typedef __INT32_TYPE__ int32_t;
 
-extern void* memchr (const void*, int, long);
+extern void* memchr (const void*, int, long); /* { dg-warning "-Wbuiltin-declaration-mismatch" { target llp64 } } */
 
 struct SX
 {