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-rw-r--r--libio/genops.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libio/genops.c b/libio/genops.c
index 5f16894505..e0ea74dd5b 100644
--- a/libio/genops.c
+++ b/libio/genops.c
@@ -236,6 +236,7 @@ __overflow (f, ch)
     _IO_fwide (f, -1);
   return _IO_OVERFLOW (f, ch);
 }
+libc_hidden_def (__overflow)
 
 static int save_for_backup __P ((_IO_FILE *fp, char *end_p))
 #ifdef _LIBC