Revert "Do not return 0 from bad_host_alignment.cpp"
Revert "Do not return 0 from bad_host_alignment.cpp"

This reverts commit 010578fe41d7cf15d23b7728a0a340c1fe5b9aa9 [formerly 08b2bcde167a10bd8acdb9f1fc7d4f4fee45f869].


Former-commit-id: 6147b1fd57306d2555795fd905ca56b759370a6e
darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide