patch 8.2.5150: read past the end of the first line with ":0;'{"
Problem: Read past the end of the first line with ":0;'{".
Solution: When on line zero check the column is valid for line one.
diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
index 9c08d13..3685336 100644
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -808,6 +808,14 @@
call delete('Xtest.vim')
endfunc
+func Test_mark_from_line_zero()
+ " this was reading past the end of the first (empty) line
+ new
+ norm oxxxx
+ call assert_fails("0;'(", 'E20:')
+ bwipe!
+endfunc
+
func Test_cmdline_complete_wildoptions()
help
call feedkeys(":tag /\<c-a>\<c-b>\"\<cr>", 'tx')