Auto merge of #850 - brson:nohacks, r=alexcrichton
Auto merge of #850 - brson:nohacks, r=alexcrichton

Remove some codegen hacks

These were to work around bugs in older compiler revisions.

r? @alexcrichton

theindigamer/rustup.rs,polonez/rustup.rs,Boddlnagg/rustup.rs,inejge/rustup.rs,nodakai/rustup.rs,theindigamer/rustup.rs,rust-lang/rustup,inejge/rustup.rs,rust-lang/rustup,Boddlnagg/rustup.rs,inejge/rustup.rs,polonez/rustup.rs,theindigamer/rustup.rs,theindigamer/rustup.rs,polonez/rustup.rs,theindigamer/rustup.rs,rust-lang/rustup,Boddlnagg/rustup.rs,rust-lang/rustup,Boddlnagg/rustup.rs,nodakai/rustup.rs,polonez/rustup.rs,nodakai/rustup.rs,Boddlnagg/rustup.rs,nodakai/rustup.rs,inejge/rustup.rs,polonez/rustup.rs,rust-lang/rustup,nodakai/rustup.rs,inejge/rustup.rs