Rollup of 8 pull requests
Successful merges:
- #135549 (Document some safety constraints and use more safe wrappers)
- #135965 (In "specify type" suggestion, skip type params that are already known)
- #136193 (Implement pattern type ffi checks)
- #136646 (Add a TyPat in the AST to reuse the generic arg lowering logic)
- #136874 (Change the issue number for `likely_unlikely` and `cold_path`)
- #136884 (Lower fn items as ZST valtrees and delay a bug)
- #136885 (i686-linux-android: increase CPU baseline to Pentium 4 (without an actual change)
- #136891 (Check sig for errors before checking for unconstrained anonymous lifetime)
r? `@ghost`
`@rustbot` modify labels: rollup
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