[gcc r11-9400] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:bcadb4f31f6774548bb3e97a50967e56e9b3290a

commit r11-9400-gbcadb4f31f6774548bb3e97a50967e56e9b3290a
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Sun Dec 19 00:17:55 2021 +0000

    Daily bump.

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

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 676dfbaa256..bf314c35ab4 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20211218
+20211219