Fix box_contains for a few cases of storage folding.
Fix box_contains for a few cases of storage folding.


Former-commit-id: f8e1a97971a27355d2f789c38ddc56dcefb1fe72
darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide