Rollup of 12 pull requests
Successful merges:
- #134034 (handle paren in macro expand for let-init-else expr)
- #137474 (pretty-print: Print shebang at the top of the output)
- #138872 (rustc_target: RISC-V `Zfinx` is incompatible with `{ILP32,LP64}[FD]` ABIs)
- #139046 (Improve `Lifetime::suggestion`)
- #139206 (std: use the address of `errno` to identify threads in `unique_thread_exit`)
- #139608 (Clarify `async` block behaviour)
- #139847 (Delegate to inner `vec::IntoIter` from `env::ArgsOs`)
- #140159 (Avoid redundant WTF-8 checks in `PathBuf`)
- #140197 (Document breaking out of a named code block)
- #140389 (Remove `avx512dq` and `avx512vl` implication for `avx512fp16`)
- #140430 (Improve test coverage of HIR pretty printing.)
- #140507 (rustc_target: RISC-V: feature addition batch 3)
r? `@ghost`
`@rustbot` modify labels: rollup
7c96085b64