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-rw-r--r--wcsmbs/mbrtowc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/wcsmbs/mbrtowc.c b/wcsmbs/mbrtowc.c
index 6eeaa55be6..c57217add5 100644
--- a/wcsmbs/mbrtowc.c
+++ b/wcsmbs/mbrtowc.c
@@ -70,7 +70,7 @@ __mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
   /* Do a normal conversion.  */
   inbuf = (const unsigned char *) s;
   endbuf = inbuf + n;
-  if (__builtin_expect (endbuf < inbuf, 0))
+  if (__glibc_unlikely (endbuf < inbuf))
     {
       endbuf = (const unsigned char *) ~(uintptr_t) 0;
       if (endbuf == inbuf)