updated for version 7.3.715
Problem:    Crash when calling setloclist() in BufUnload autocmd. (Marcin
            Szamotulski)
Solution:   Set w_llist to NULL when it was freed.  Also add a test.
            (Christian Brabandt)
diff --git a/src/testdir/test49.ok b/src/testdir/test49.ok
index 1842af2..0caef81 100644
--- a/src/testdir/test49.ok
+++ b/src/testdir/test49.ok
@@ -85,8 +85,10 @@
 *** Test  83: OK (2835)
 *** Test  84: OK (934782101)
 *** Test  85: OK (198689)
---- Test  86: All tests were run with throwing exceptions on error.
+--- Test  86: No Crash for vimgrep on BufUnload
+*** Test  86: OK (0)
+--- Test  87: All tests were run with throwing exceptions on error.
 	      The $VIMNOERRTHROW control is not configured.
---- Test  86: All tests were run with throwing exceptions on interrupt.
+--- Test  87: All tests were run with throwing exceptions on interrupt.
 	      The $VIMNOINTTHROW control is not configured.
-*** Test  86: OK (50443995)
+*** Test  87: OK (50443995)