Rollup of 5 pull requests - #154326

Merged

rust-bors[bot] merged 10 commits into

rust-lang:mainfrom

JonathanBrouwer:rollup-MflIdQW

Mar 24, 2026

Commits on Feb 16, 2026

Unalign `PackedFingerprint` on all hosts, not just x86 and x86-64
Zalathar
committed
65443dc

Commits on Mar 17, 2026

constify const Fn*: Destruct
bend-n
committed
b90abe6

Commits on Mar 19, 2026

improve validation error messages: show surrounding type, and more info on dyn-downcast
RalfJung
committed
05834b2

Commits on Mar 23, 2026

asm: use `minicore` more in aarch64/x86_64 asm tests
folkertdev
committed
6df99d6

Commits on Mar 24, 2026