auto merge of #18144 : bkoropoff/rust/mighty-monomorphizin-unboxed-closures, r=nikomatsakis
This allows unboxed closures that reference free type/region parameters to be monomorphized correctly in trans.
It was necessary to make `ty_unboxed_closure` carry around a `Substs` to accomplish this. Plumbing this through typeck revealed several areas where type/region parameters in unboxed closure types are possibly not being handled correctly. Since my goal was just to fix trans, I decided to leave FIXME comments on areas that still need attention and seek feedback on the best way to clean them up, possibly as a follow-up PR.
projects / rust.git / commit