t4200: demonstrate rerere segfault on specially crafted merge

diff --git a/t/t7063-status-untracked-cache.sh b/t/t7063-status-untracked-cache.sh
index 46b947824fd68150cfaa6018355cd086c5a8759e..c61e304e97376b09de51299a797dfb388335a365 100755 (executable)
--- a/t/t7063-status-untracked-cache.sh
+++ b/t/t7063-status-untracked-cache.sh
@@ -14,6 +14,9 @@ test_description='test untracked cache'
 # See <20160803174522.5571-1-pclouds@gmail.com> if you want to know
 # more.
 
+GIT_FORCE_UNTRACKED_CACHE=true
+export GIT_FORCE_UNTRACKED_CACHE
+
 sync_mtime () {
        find . -type d -ls >/dev/null
 }