patch 8.1.0419: Cygwin: running cproto fails with -O2 commit https://github.com/vim/vim/commit/de2bd37becbec3547ffbaa86321c7ea6379d6bf0 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Sep 21 13:56:25 2018 +0200 patch 8.1.0419: Cygwin: running cproto fails with -O2 Problem: Cygwin: running cproto fails with -O2. Solution: Strip -O2 for cproto. (Ken Takata, closes https://github.com/vim/vim/issues/3465)

--- a/src/version.c
+++ b/src/version.c
@@ -795,6 +795,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    419,
+/**/
     418,
 /**/
     417,