patch 8.2.1557: crash in :vimgrep when started as "vim -n"
Problem: Crash in :vimgrep when started as "vim -n". (Raul Segura)
Solution: Check mfp pointer. (Yegappan Lakshmanan, closes #6827)
diff --git a/src/testdir/test_quickfix.vim b/src/testdir/test_quickfix.vim
index c35b11c..8faf69a 100644
--- a/src/testdir/test_quickfix.vim
+++ b/src/testdir/test_quickfix.vim
@@ -2833,6 +2833,21 @@
call delete('Xresult')
endfunc
+" Test vimgrep without swap file
+func Test_vimgrep_without_swap_file()
+ let lines =<< trim [SCRIPT]
+ vimgrep grep test_c*
+ call writefile(['done'], 'Xresult')
+ qall!
+ [SCRIPT]
+ call writefile(lines, 'Xscript')
+ if RunVim([], [], '--clean -n -S Xscript Xscript')
+ call assert_equal(['done'], readfile('Xresult'))
+ endif
+ call delete('Xscript')
+ call delete('Xresult')
+endfunc
+
func Test_vimgrep_existing_swapfile()
call writefile(['match apple with apple'], 'Xapple')
call writefile(['swapfile'], '.Xapple.swp')