Rollup of 12 pull requests#158963

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JonathanBrouwer wants to merge 43 commits into

rust-lang:mainfrom

JonathanBrouwer:rollup-A18st70

Commits on Jun 29, 2026

Rename HAS_CT_PROJECTION to HAS_CONST_ALIASES
Shourya742
committed

Commits on Jun 30, 2026

Added implementation on set_permissions_nofollow for all platforms supported (windows, unix, uefi, etc.); modified the Unix implementation to use fchmodat instead of open + fchmod; clarified docume…
asder8215
committed

Commits on Jul 3, 2026

Do not inherit `ConstArgHasType` predicates when it is applied to const from delegation parent
aerooneqq
committed
simplify `Option::into_flat_iter` signature
WaffleLapkin
committed

Commits on Jul 8, 2026