Auto merge of #118949 - matthiaskrgr:rollup-rdzlb9h, r=matthiaskrgr

Rollup of 4 pull requests

Successful merges:

 - #118910 ([rustdoc] Use Map instead of Object for source files and search index)
 - #118914 (Unconditionally register alias-relate in projection goal)
 - #118935 (interpret: extend comment on the inhabitedness check in downcast)
 - #118945 (rustc_codegen_ssa: Remove trailing spaces in Display impl for CguReuse)

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