Make `mem::size_of_val` and `mem::align_of_val` unstably const#74930

Merged

bors merged 2 commits intorust-lang:masterfrom

ecstatic-morse:const-size-align-of-val

Jul 30, 2020

Commits on Jul 29, 2020

Make `{align,size}_of_val` `const`
ecstatic-morse
committed

Commits on Jul 30, 2020

Test `{align,size}_of_val` in a const context
ecstatic-morse
committed