Rollup of 19 pull requests#55295

Closed

emilyalbini wants to merge 56 commits intorust-lang:masterfrom

emilyalbini:rollup

Commits on Sep 27, 2018

rustc: Tweak filenames encoded into metadata
alexcrichton
committed

Commits on Oct 10, 2018

update tcp stream documentation
Charles Hathaway
committed

Commits on Oct 11, 2018

Small changes to fix documentation auto compile issues
Charles Hathaway
committed

Commits on Oct 17, 2018

AST-borrowck: add separate mem category for thread-locals, as they are not quite rvalues
pnkfelix
committed
Update existing tests and .stderr files to reflect introduction of thread-local mem category.
pnkfelix
committed
Add regression test for issue 47215.
pnkfelix
committed

Commits on Oct 18, 2018

Use unions for uninhabitedness checking rather than mem::transmute
varkor
committed

Commits on Oct 19, 2018

Improve `conservative_is_uninhabited` comment
varkor
committed

Commits on Oct 20, 2018

Move cg_llvm::back::linker to cg_utils
bjorn3
committed

Commits on Oct 22, 2018

Commits on Oct 23, 2018