…tterns, r=cjgillot

Stabilize `half_open_range_patterns`

This PR stabilize `feature(half_open_range_patterns)`:
```
Allows using `..=X` as a pattern.
```

And adds a new `feature(half_open_range_patterns_in_slices)` for the slice part, rust-lang#102275 (comment).

The FCP was completed in rust-lang#67264.

Trying to suggest additional lifetime parameter

``@cjgillot`` This is what I have so far for rust-lang#100615

…r=estebank

Recover from impl Trait in type param bound

Fixes rust-lang#102182
r? ``@estebank``

Elaborate trait ref to compute object safety.

instead of building them manually from supertraits and associated items.

This allows to have the correct substs for GATs.

Fixes rust-lang#102751

…meDisplayPreference, r=nagisa

Add missing documentation for FileNameDisplayPreference variants

Took me a while to find the information when I needed it so hopefully it should save some time for the next ones.

r? ``@thomcc``

…thomcc

From<Alignment> for usize & NonZeroUsize

Since you mentioned these two in rust-lang#102072 (comment),
r? ``@thomcc``

Tracking Issue: rust-lang#102070