Merge branch 'master' of https://github.com/halide/Halide into simplify-fuzz-testing
Merge branch 'master' into simplify-fuzz-testing
Merge branch 'simplify-fuzz-testing' of https://github.com/halide/Halide into simplify-fuzz-testing
Removed __attribute__((overloadable)) from sdiv/smod definitions.
Removed (unnecessary) divide by zero check.