commit ed5a9d661248a2160368f1b0ab3a1bf74831db04
author Bram Moolenaar <Bram@vim.org> Thu Sep 06 13:14:43 2018 +0200
committer Bram Moolenaar <Bram@vim.org> Thu Sep 06 13:14:43 2018 +0200
tree ff7d3eea0f440ae83569fa5f84a4b9a3c831ccc1
parent e67a7d690a53690eb3c99a1ca7a199e8da159146

patch 8.1.0349: crash when wiping buffer in a callback

Problem:    Crash when wiping buffer in a callback.
Solution:   Do not handle messages when only peeking for a character.
            (closes #2107)  Add "redraw_flag" to test_override().

src/screen.c

diff --git a/src/screen.c b/src/screen.c
index 743c321..c9f9410 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -10819,8 +10819,11 @@
 	return 0;
     else
 #endif
-	return (!RedrawingDisabled
-		       && !(p_lz && char_avail() && !KeyTyped && !do_redraw));
+	return ((!RedrawingDisabled
+#ifdef FEAT_EVAL
+		    || ignore_redraw_flag_for_testing
+#endif
+		) && !(p_lz && char_avail() && !KeyTyped && !do_redraw));
 }
 
 /*