Auto merge of #114368 - Nilstrieb:rollup-pgvm9cf, r=Nilstrieb

Rollup of 5 pull requests

Successful merges:

 - #114079 (Use `upvar_tys` in more places, make it return a list)
 - #114166 (Add regression test for resolving `--extern libc=test.rlib`)
 - #114321 (get auto traits for parallel rustc)
 - #114335 (fix and extend ptr_comparison test)
 - #114347 (x.py print more detailed format files and untracked files count)

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

Author: bors