Rollup of 8 pull requests#67560

Merged

bors merged 29 commits intorust-lang:masterfrom

Centril:rollup-fzdpu9c

Dec 23, 2019

Commits on Dec 20, 2019

Require const stability attributes on intrinsics to be able to use them in constant contexts
oli-obk
committed
Add a big notice about const intrinsics
oli-obk
committed

Commits on Dec 23, 2019