Fix evaluating trivial drop glue in constants#57734

Merged

bors merged 3 commits intorust-lang:masterfrom oli-obk:fixes_and_cleanups

Jan 26, 2019

+68-30

Commits on Jan 18, 2019

Commits on Jan 25, 2019

Add a compile-fail test for Drop in constants in the presence of Options
oli-obk
committed