Co-authored-by: FabianWolff <fabian.wolff@alumni.ethz.ch>

This should allow rustup and similar to actually make use of this new
target now.

…them

This simplifies checking common properties in an address-family-agnostic
way since since rust-lang#86335 commits to not checking IPv4 semantics
of IPv4-mapped addresses in the `Ipv6Addr` property methods.

Properly find owner of closure in THIR unsafeck

Previously, when encountering a closure in a constant, the THIR unsafeck gets invoked on the owner of the constant instead of the constant itself, producing cycles.
Supersedes rust-lang#87492. `@FabianWolff` thanks for your work on that PR, I copied your test file and added you as a co-author.

Fixes rust-lang#87414.
r? `@oli-obk`

Fix a parser ICE on invalid `fn` body

Fixes rust-lang#87635
A better fix would add a check for `fn` body on `expected_one_of_not_found` but I haven't come up with a graceful way. Any idea?
r? `@oli-obk` `@estebank`

…Simulacrum

Update stacker and psm crates

Primarily to include rust-lang/stacker#54

Write docs for SyncOnceCell From and Default impl

Part of rust-lang#51430

…=lnicola

⬆️ rust-analyzer

…st, r=Mark-Simulacrum

Add `aarch64-apple-ios-sim` as a possible target to the manifest

This should allow rustup and similar to actually make use of this new
target now.

r? `@Mark-Simulacrum`

Followup to rust-lang#85782

Add convenience method for handling ipv4-mapped addresses by canonicalizing them

This simplifies checking common properties in an address-family-agnostic
way since rust-lang#86335 commits to not checking IPv4 semantics
of IPv4-mapped addresses in the `Ipv6Addr` property methods.