[gcc/devel/c++-coroutines] Daily bump.

[Iain D Sandoe]

https://gcc.gnu.org/g:0b4ee25bdd7e67b3533295b5bdc7f98f379d8984

commit 0b4ee25bdd7e67b3533295b5bdc7f98f379d8984
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Mon Mar 9 00:16:14 2020 +0000

    Daily bump.

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

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 94dc1073d95..cfc79aab53c 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20200307
+20200309