Auto merge of #109453 - matthiaskrgr:rollup-odn02wu, r=matthiaskrgr

Rollup of 8 pull requests

Successful merges:

 - #96391 (Windows: make `Command` prefer non-verbatim paths)
 - #108164 (Drop all messages in bounded channel when destroying the last receiver)
 - #108729 (fix: modify the condition that `resolve_imports` stops)
 - #109336 (Constrain const vars to error if const types are mismatched)
 - #109403 (Avoid ICE of attempt to add with overflow in emitter)
 - #109415 (Refactor `handle_missing_lit`.)
 - #109441 (Only implement Fn* traits for extern "Rust" safe function pointers and items)
 - #109446 (Do not suggest bounds restrictions for synthesized RPITITs)

Failed merges:

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

Author: bors