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-rw-r--r--libio/iofgetws_u.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libio/iofgetws_u.c b/libio/iofgetws_u.c
index 14c4898ea2..1126d7bd3b 100644
--- a/libio/iofgetws_u.c
+++ b/libio/iofgetws_u.c
@@ -39,7 +39,7 @@ fgetws_unlocked (buf, n, fp)
   CHECK_FILE (fp, NULL);
   if (n <= 0)
     return NULL;
-  if (__builtin_expect (n == 1, 0))
+  if (__glibc_unlikely (n == 1))
     {
       /* Another irregular case: since we have to store a NUL byte and
 	 there is only room for exactly one byte, we don't have to