diff --git a/src/testdir/crash/bt_quickfix1_poc b/src/testdir/crash/bt_quickfix1_poc
new file mode 100644
index 0000000..97993fd
--- /dev/null
+++ b/src/testdir/crash/bt_quickfix1_poc
@@ -0,0 +1,5 @@
+au BufReadPre * exe 'sn' .. expand("<abuf>")
+call writefile([''],'X')
+sil! e X
+call writefile([''],'X')
+sil! e X