llvm-project

70b2f06a - Add ARMv8-M and ARMv8.1-M support for Darwin (#195184)

Add ARMv8-M and ARMv8.1-M support for Darwin (#195184) Extend Mach-O reading/writing and Clang's driver with support for ARMv8-M and ARMv8.1-M. Then, build libclang_rt for armv8m.main and armv8.1m.main target triples.