rustc_codegen_llvm: remove some debuginfo cruft.#50949

Merged

bors merged 2 commits intorust-lang:masterfrom

eddyb:debuginfo

May 24, 2018

Commits on May 21, 2018

rustc_codegen_llvm: remove debuginfo::VariableKind::CapturedVariable.
eddyb
committed
rustc_codegen_llvm: remove closure env alloca hack around upvar debuginfo.
eddyb
committed