t / t4101 / diff.0-2on commit pickaxe: fix segfault with '-S<...> --pickaxe-regex' (f53c5de)
   1--- a/frotz
   2+++ b/frotz
   3@@ -1,2 +1,2 @@
   4 a
   5-b
   6+b
   7\ No newline at end of file