patch 8.2.0235: draw error when an empty group is removed from 'statusline'
Problem: Draw error when an empty group is removed from 'statusline'.
Solution: Do not use highlighting from a removed group.
diff --git a/src/testdir/test_statusline.vim b/src/testdir/test_statusline.vim
index 1f705b8..ebfe8aa 100644
--- a/src/testdir/test_statusline.vim
+++ b/src/testdir/test_statusline.vim
@@ -8,6 +8,7 @@
source view_util.vim
source check.vim
+source screendump.vim
func s:get_statusline()
return ScreenLines(&lines - 1, &columns)[0]
@@ -393,3 +394,22 @@
bwipe! x1
bwipe! x2
endfunc
+
+func Test_statusline_removed_group()
+ CheckScreendump
+
+ let lines =<< trim END
+ scriptencoding utf-8
+ set laststatus=2
+ let &statusline = '%#StatColorHi2#%(✓%#StatColorHi2#%) Q≡'
+ END
+ call writefile(lines, 'XTest_statusline')
+
+ let buf = RunVimInTerminal('-S XTest_statusline', {'rows': 10, 'cols': 50})
+ call term_wait(buf, 100)
+ call VerifyScreenDump(buf, 'Test_statusline_1', {})
+
+ " clean up
+ call StopVimInTerminal(buf)
+ call delete('XTest_statusline')
+endfunc