Auto merge of rust-lang#106025 - matthiaskrgr:rollup-vz5rqah, r=matth…

…iaskrgr

Rollup of 6 pull requests

Successful merges:

 - rust-lang#105837 (Don't ICE in `check_must_not_suspend_ty` for mismatched tuple arity)
 - rust-lang#105932 (Correct branch-protection ModFlagBehavior for Aarch64 on LLVM-15)
 - rust-lang#105960 (Various cleanups)
 - rust-lang#105985 (Method chain nitpicks)
 - rust-lang#105996 (Test that async blocks are `UnwindSafe`)
 - rust-lang#106012 (Clarify that raw retags are not permitted in Mir)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup