patch 8.1.0555: crash when last search pat is set but not last substitute pat
Problem: Crash when last search pat is set but not last substitute pat.
Solution: Do not mix up last search pattern and last subtitute pattern.
(closes #3647)
diff --git a/src/testdir/test_search.vim b/src/testdir/test_search.vim
index b05ed42..eadb128 100644
--- a/src/testdir/test_search.vim
+++ b/src/testdir/test_search.vim
@@ -1142,3 +1142,15 @@
/\%'(
/
endfunc
+
+" Test that there is no crash when there is a last search pattern but no last
+" substitute pattern.
+func Test_no_last_substitute_pat()
+ " Use viminfo to set the last search pattern to a string and make the last
+ " substitute pattern the most recent used and make it empty (NULL).
+ call writefile(['~MSle0/bar', '~MSle0~&'], 'Xviminfo')
+ rviminfo! Xviminfo
+ call assert_fails('normal n', 'E35:')
+
+ call delete('Xviminfo')
+endfunc