llvm dev - Dec 2017 - 5.0.1-rc2 has been tagged

Hi,

Tested and it looks ok here. Binaries uploaded.

SHA256(clang+llvm-5.0.1-rc2-mipsel-linux-gnu.tar.xz)=
32e5f74e3fdbd4cd9620555c0f3589231e9e7c0bb06f516a43ab4ba97194b4ec
SHA256(clang+llvm-5.0.1-rc2-mips-linux-gnu.tar.xz)=
410ffa2bce385b0cbd61f7e43f397c19f55413d34958dfe2b0c8a37f5d639bf0
SHA256(clang+llvm-5.0.1-rc2-x86_64-linux-gnu-debian8.tar.xz)=
d12ef6a1f022f8cf9d4f95bee3a67c719fb0868a4bf0f31b082f75a24dd195b9

Thanks,
Simon