[gcc r11-9423] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:4ab017fbdfb2a47491868205c11e462aa37224d2

commit r11-9423-g4ab017fbdfb2a47491868205c11e462aa37224d2
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Fri Dec 31 00:18:08 2021 +0000

    Daily bump.

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

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 86d98455ff7..9e7c11d9ac3 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20211230
+20211231