Fix crash due to unaligned stack allocations.
Fix crash due to unaligned stack allocations.


Former-commit-id: 874b666e306bb0191183f7fe3c6ac8a4d0f4f49c
darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide