wrap test triggered bug in pnacl llvm
wrap test triggered bug in pnacl llvm

Not really interesting in working around it, just changed the test
enough to avoid it.


Former-commit-id: e5d70365e7b0dbd3d7354bf7766f7f3ecac07844
darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide