[PATCH] [compiler-rt] Upstreaming small changes from the Rust project.

[Alexey Samsonov]

I've submitted permission change to sanitizer_common_interceptors_ioctl.inc in r223715.

Looks like changes to make/platform should also include clang_macho_embedded.mk.

REPOSITORY
  rL LLVM

http://reviews.llvm.org/D6547