Rollup merge of #44845 - SimonSapin:nll_mod_rs, r=nikomatsakis

Move src/librustc_mir/transform/nll.rs to a subdirectory

CC https://github.com/rust-lang/rust/issues/43234
This commit is contained in:
Mark Simulacrum 2017-09-29 17:59:01 -06:00 committed by GitHub
commit 7c3d376086