diff --git a/src/testdir/crash/bt_quickfix_poc b/src/testdir/crash/bt_quickfix_poc
new file mode 100644
index 0000000..bf02b4d
--- /dev/null
+++ b/src/testdir/crash/bt_quickfix_poc
@@ -0,0 +1,9 @@
+comman!-narg=* Xexpr <mods>lex<args>
+auto BufReadPre * exe"sn" ..expand("<abuf>") 
+fu Xautocmd_changelist()
+cal writefile(['Xtestfile2:4:4'],'Xerr')
+  sil! edi Xerr
+Xexpr 'Xtestfile:4:4'
+endf
+call Xautocmd_changelist()
+call Xautocmd_changelist()
\ No newline at end of file