Rollup of 6 pull requests#51884

Merged

bors merged 22 commits intorust-lang:masterfrom

Mark-Simulacrum:rollup

Jun 29, 2018

Commits on Jun 24, 2018

Use assert_eq! in copy_from_slice
jonas-schievink
authored

Commits on Jun 27, 2018

Detect overflows of non u32 shifts
oli-obk
committed

Commits on Jun 28, 2018