[beta] Fix the `f16` and `f128` feature gate regression#123445

Closed

tgross35 wants to merge 2 commits intorust-lang:betafrom

tgross35:f16-f128-feature-gate-cherry-pick

Commits on Apr 4, 2024

Update f16 and f128 tests to run on both 2015 and 2018 editions
tgross35
committed
Fix f16 and f128 feature gates in editions other than 2015

tgross35
and
petrochenkov
committed