Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@253801 138bc75d-0d04-0410-961f-82ee72b054a4
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index ec77193..47e14c9 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20171016
+20171017