Use implicit (not explicit) rules for promotability by default in `const fn`#75502

Merged

bors merged 1 commit intorust-lang:masterfrom ecstatic-morse:implicit-promotion-in-const-fn

Sep 19, 2020

+8-1

Commits on Sep 17, 2020

Default to implicit (not explicit) rules for promotability in const fn
ecstatic-morse
committed