040000 tree 1cfe0a98a68654b2f6fec614dadcd71540094e64	testdata
100644 blob 19bc9c2db988b4ecd9e2b633c3889912e764c180	unreachable.go
100644 blob 13f56897b058cea081acd7603aaefd0a0fc78f2b	unreachable_test.go