patch 9.0.0294: crash when 'cmdheight' is 0 and popup_clear() used Commit: https://github.com/vim/vim/commit/43568648dfefe5796dc3fe8fe711135eb20d9eb6 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Aug 28 13:02:45 2022 +0100 patch 9.0.0294: crash when 'cmdheight' is 0 and popup_clear() used Problem: Crash when 'cmdheight' is 0 and popup_clear() used. Solution: Reset "message_win" when the message popup is cleared. Close the popup when 'cmdheight' is non-zero. Add a screendump test.

|4+0&#ffffff0|2| @72
|4|3| @72
|4@1| @72
|4|5| @72
|4|6| @72
|4|7| @72
|4|8| @72
>4|9| @72
|~+0#4040ff13&| @73
|!+2#ffffff16#00e0003|/|b|i|n|/|s|h| |[|T|e|r|m|i|n|a|l|]| @55
| +0#0000000#ffffff0@74
|~+0#4040ff13&| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|~| @73
|[+1#0000000&|N|o| |N|a|m|e|]| @65
| +0&&@74