Prevent llvm header warnings from breaking the build
Prevent llvm header warnings from breaking the build


Former-commit-id: ecbd006c3e7e72eb3cdc3207d2e77af40afd39e9
darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide