1 files changed, 29 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/generic/stat-check.c b/sysdeps/unix/sysv/linux/generic/stat-check.c
new file mode 100644
index 0000000000..c3204ca7f9
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/generic/stat-check.c
@@ -0,0 +1,29 @@
+/* Static assert for __blkcnt64_t when __INO_T_MATCHES_INO64_T is defined.
+   Copyright (C) 2019 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include <sys/stat.h>
+#include <bits/typesizes.h>
+
+/* This is due to the layout code in bits/stat.h and the overflow handling in
+   wordsize-32/overflow.h, requiring either all or none of the three types
+   concerned to have padding.  */
+
+#if defined __INO_T_MATCHES_INO64_T
+_Static_assert (sizeof (__blkcnt_t) == sizeof (__blkcnt64_t),
+                "__blkcnt_t and __blkcnt64_t must match");
+#endif