commit 0cb8ac71ae42f66d525ad855db01361ca38d935a
author Bram Moolenaar <Bram@vim.org> Fri May 11 22:01:51 2018 +0200
committer Bram Moolenaar <Bram@vim.org> Fri May 11 22:01:51 2018 +0200
tree b92519c8cf47222d59efc7c78bb4f47005f6e041
parent a10ae5e323f4ebe6620869f4f9b0812b78090915

patch 8.0.1815: crash with terminal window and with 'lazyredraw' set

Problem:    Still a crash with terminal window and with 'lazyredraw' set.
            (Antoine)
Solution:   Do not wipe out the buffer when updating the screen.

src/ui.c

diff --git a/src/ui.c b/src/ui.c
index 05e82e6..8e3f0de 100644
--- a/src/ui.c
+++ b/src/ui.c
@@ -415,7 +415,10 @@
 #endif
 	mch_breakcheck(force);
 
-    updating_screen = save_us;
+    if (save_us)
+	updating_screen = save_us;
+    else
+	reset_updating_screen(FALSE);
 }
 
 /*****************************************************************************