Auto merge of #109769 - JohnTitor:rollup-7n2bnpg, r=JohnTitor

Rollup of 7 pull requests

Successful merges:

 - #106985 (Enhanced doucmentation of binary search methods for `slice` and `VecDeque` for unsorted instances)
 - #109509 (compiletest: Don't allow tests with overlapping prefix names)
 - #109719 (RELEASES: Add "Only support Android NDK 25 or newer" to 1.68.0)
 - #109748 (Don't ICE on `DiscriminantKind` projection in new solver)
 - #109749 (Canonicalize float var as float in new solver)
 - #109761 (Drop binutils on powerpc-unknown-freebsd)
 - #109766 (Fix title for openharmony.md)

Failed merges:

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