llvm-project

3fcf10ca - [clang][bytecode] Reapply "Use tailcalls via `[[clang::musttail]]`" (#188419)

[clang][bytecode] Reapply "Use tailcalls via `[[clang::musttail]]`" (#188419) 1) Disable tailcalls on powerpc and MSVC 2) Disable the `preserve_none` calling convention on aarch64 and i386. For aarch64, it works but causes problems under asan: https://github.com/llvm/llvm-project/issues/177519