Rollup of 5 pull requests#151484

Closed

JonathanBrouwer wants to merge 10 commits intorust-lang:mainfrom

JonathanBrouwer:rollup-28CNg7o

Commits on Jan 16, 2026

fix fallback impl for select_unpredictable intrinsic
RedDaedalus
committed

Commits on Jan 18, 2026

option: Use Option::map in Option::cloned
cvengler
committed

Commits on Jan 21, 2026

Commits on Jan 22, 2026

Avoid `-> ()` in derived functions.
nnethercote
committed
Rollup merge of #151042 - RedDaedalus:fix-select-unpredictable-fallback, r=RalfJung
JonathanBrouwer
authored
Rollup merge of #151220 - cvengler:map-option, r=tgross35
JonathanBrouwer
authored
Rollup merge of #151465 - RalfJung:fn-call-vars, r=mati865
JonathanBrouwer
authored
Rollup merge of #151469 - maurer:dead-on-return, r=nikic
JonathanBrouwer
authored
Rollup merge of #151476 - nnethercote:no-unit-ret-ty-in-derive, r=Kobzol
JonathanBrouwer
authored