Rollup of 5 pull requests#45192

Merged

bors merged 10 commits intorust-lang:masterfrom

steveklabnik:rollup

Oct 11, 2017

Commits on Oct 6, 2017

Implement display_hint in gdb pretty printers
tromey
committed

Commits on Oct 9, 2017

Commits on Oct 10, 2017