[gcc r13-10011] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:461fe80c362dc1a3b03d04fe295f67ee5a33af9e

commit r13-10011-g461fe80c362dc1a3b03d04fe295f67ee5a33af9e
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Sun Dec 21 00:17:59 2025 +0000

    Daily bump.

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

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 3858255282e0..d1e2e51f3b68 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20251220
+20251221