Auto merge of #134887 - Zalathar:rollup-ghpz7oy, r=Zalathar

Rollup of 5 pull requests

Successful merges:

 - #134799 (nits: Cleanups in `librustdoc::clean`)
 - #134851 (docs: inline `alloc::ffi::c_str` types to `alloc::ffi`)
 - #134869 (Bump compiler cc)
 - #134876 (bootstrap: Consolidate the macros for declaring compiletest test suites)
 - #134883 (bootstrap: Fix `./x check bootstrap` by moving `shared_helpers::tests`)

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