Auto merge of #130597 - matthiaskrgr:rollup-9ls4066, r=matthiaskrgr

Rollup of 3 pull requests

Successful merges:

 - #130485 (Do not expect infer/bound/placeholder/error in v0 symbol mangling)
 - #130567 (Register tool docs for compiletest)
 - #130582 (rustdoc: use the correct span for doctests)

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