commit 79cdf026f1b8a16298ee73be497c4bd5f3458cde
author Bram Moolenaar <Bram@vim.org> Sat May 20 14:07:00 2023 +0100
committer Bram Moolenaar <Bram@vim.org> Sat May 20 14:07:00 2023 +0100
tree 2f2381a497126df7030b96450b1b1bfd4257c487
parent bf63011a52a3cc32609ae5945665875062a5ae50

patch 9.0.1571: RedrawingDisabled not used consistently

Problem:    RedrawingDisabled not used consistently.
Solution:   Avoid RedrawingDisabled going negative.  Set RedrawingDisabled in
            win_split_ins(). (closes #11961)

src/debugger.c

diff --git a/src/debugger.c b/src/debugger.c
index a04a078..393e11e 100644
--- a/src/debugger.c
+++ b/src/debugger.c
@@ -287,7 +287,8 @@
     }
     vim_free(cmdline);
 
-    --RedrawingDisabled;
+    if (RedrawingDisabled > 0)
+	--RedrawingDisabled;
     --no_wait_return;
     redraw_all_later(UPD_NOT_VALID);
     need_wait_return = FALSE;