diff --git a/bits/utmp.h b/bits/utmp.h
index 775123d..bf28c6d 100644
--- a/bits/utmp.h
+++ b/bits/utmp.h
@@ -1,5 +1,5 @@
-/* The `struct utmp' type, describing entries in the utmp file.  Generic/BSDish
-   Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc.
+/* The `struct utmp' type, describing entries in the utmp file.
+   Copyright (C) 1993-2022 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 

diff --git a/iconv/gconv.h b/iconv/gconv.h
index 3f9112e..8e60197 100644
--- a/iconv/gconv.h
+++ b/iconv/gconv.h
@@ -174,7 +174,7 @@ typedef struct __gconv_info
 {
   size_t __nsteps;
   struct __gconv_step *__steps;
-  __extension__ struct __gconv_step_data __data __flexarr;
+  __extension__ struct __gconv_step_data __data[0];
 } *__gconv_t;
 
 #endif /* gconv.h */
diff --git a/include/libc-symbols.h b/include/libc-symbols.h