# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1560091505 -7200
# Node ID b1263192461fbd7752e874328c2b3555c4cff46f
# Parent  9ceac0e664834a58536be2086e2260f9987e948c
patch 8.1.1509: cmdline_row can become negative, causing a crash

commit https://github.com/vim/vim/commit/954bb0636390751c0665d7d730a13d86dc5bc6e6
Author: Bram Moolenaar <Bram@vim.org>
Date:   Sun Jun 9 16:40:46 2019 +0200

    patch 8.1.1509: cmdline_row can become negative, causing a crash

    Problem:    Cmdline_row can become negative, causing a crash.
    Solution:   Make sure cmdline_row does not become negagive. (closes https://github.com/vim/vim/issues/4102)

diff --git a/src/misc1.c b/src/misc1.c
--- a/src/misc1.c
+++ b/src/misc1.c
@@ -1447,9 +1447,9 @@ prompt_for_number(int *mouse_used)
     i = get_number(TRUE, mouse_used);
     if (KeyTyped)
     {
-	/* don't call wait_return() now */
-	/* msg_putchar('\n'); */
-	cmdline_row = msg_row - 1;
+	// don't call wait_return() now
+	if (msg_row > 0)
+	    cmdline_row = msg_row - 1;
 	need_wait_return = FALSE;
 	msg_didany = FALSE;
 	msg_didout = FALSE;
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -778,6 +778,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1509,
+/**/
     1508,
 /**/
     1507,