patch 8.2.3741: using freed memory in open command
Problem: Using freed memory in open command.
Solution: Make a copy of the current line.
diff --git a/src/testdir/test_ex_mode.vim b/src/testdir/test_ex_mode.vim
index 1ca5062..7031115 100644
--- a/src/testdir/test_ex_mode.vim
+++ b/src/testdir/test_ex_mode.vim
@@ -121,6 +121,19 @@
close!
endfunc
+func Test_open_command_flush_line()
+ " this was accessing freed memory: the regexp match uses a pointer to the
+ " current line which becomes invalid when searching for the ') mark.
+ new
+ call setline(1, ['one', 'two. three'])
+ s/one/ONE
+ try
+ open /\%')/
+ catch /E479/
+ endtry
+ bwipe!
+endfunc
+
" Test for :g/pat/visual to run vi commands in Ex mode
" This used to hang Vim before 8.2.0274.
func Test_Ex_global()