diff --git a/src/testdir/test_regexp_latin.vim b/src/testdir/test_regexp_latin.vim
index d63b4f9..d30312a 100644
--- a/src/testdir/test_regexp_latin.vim
+++ b/src/testdir/test_regexp_latin.vim
@@ -103,6 +103,8 @@
   " Incomplete equivalence class caused invalid memory access
   s/^/[[=
   call assert_equal(1, search(getline(1)))
+  s/.*/[[.
+  call assert_equal(1, search(getline(1)))
 endfunc
 
 func Test_rex_init()