[gcc r9-9866] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:1d199f879087d0ac54b35eb587ded353e890906b

commit r9-9866-g1d199f879087d0ac54b35eb587ded353e890906b
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Mon Dec 13 00:18:42 2021 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index c59e542a641..6fc1d23247b 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20211212
+20211213