Auto merge of #106866 - matthiaskrgr:rollup-r063s44, r=matthiaskrgr

Auto merge of #106866 - matthiaskrgr:rollup-r063s44, r=matthiaskrgr

Rollup of 8 pull requests

Successful merges:

 - #105526 (libcore: make result of iter::from_generator Clone)
 - #106563 (Fix `unused_braces` on generic const expr macro call)
 - #106661 (Stop probing for statx unless necessary)
 - #106820 (Deprioritize fulfillment errors that come from expansions.)
 - #106828 (rustdoc: remove `docblock` class from notable trait popover)
 - #106849 (Allocate one less vec while parsing arrays)
 - #106855 (rustdoc: few small cleanups)
 - #106860 (Remove various double spaces in the libraries.)

Failed merges:

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