Rollup of 11 pull requests#40397

Closed

frewsxcv wants to merge 25 commits intorust-lang:masterfrom frewsxcv:rollup

+361-787

Commits on Mar 3, 2017

Remove ability for plugins to register a MIR pass
nagisa
committed

Commits on Mar 5, 2017

add an #[used] attribute
Jorge Aparicio
committed

Commits on Mar 6, 2017

Point to enclosing block/fn on nested unsafe
estebank
committed
add tracking issue and feature-gate and run-make tests
Jorge Aparicio
committed
Fix incorrect span label formatting
estebank
committed
fix location of the emitted object file
Jorge Aparicio
committed

Commits on Mar 7, 2017

Commits on Mar 8, 2017

Removed RustFMT changes
jdhorwitz
committed

Commits on Mar 9, 2017