Named the vars in test. test 2 illustrates a bug.
Named the vars in test. test 2 illustrates a bug.

Former-commit-id: 0589a42557987b3f39d485634100f98e06195b11
darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide