- clang: add __attribute__((__noreturn__)) to reduce pointless spewage.
- clang: add __attribute__((__noreturn__)) to reduce pointless spewage.

devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5,devzero2000/RPM5