Auto merge of #153783 - JonathanBrouwer:rollup-xAG0lwn, r=JonathanBrouwer

Rollup of 5 pull requests

Successful merges:

 - rust-lang/rust#153705 (Always generate generics in delegation that match trait in trait impl scenario)
 - rust-lang/rust#153751 (Detect existing turbofish on method calls to suppress useless suggestion)
 - rust-lang/rust#153780 (Remove `MTLock`)
 - rust-lang/rust#151572 (Fix Hexagon ABI calling convention for small aggregates)
 - rust-lang/rust#153725 (Fix that `./x test --no-doc` actually keeps the same behaviour for backwards compatability)

Author: bors

src/parallel-rustc.md

@@ -48,7 +48,6 @@ are implemented differently depending on whether `parallel-compiler` is true.
 | -------------------------------- | --------------------------------------------------- | ------------ |
 | Lock\<T> | (parking_lot::Mutex\<T>) | (std::cell::RefCell) |
 | RwLock\<T> | (parking_lot::RwLock\<T>) | (std::cell::RefCell) |
-| MTLock\<T> | (Lock\<T>) | (T) |
 | ReadGuard | parking_lot::RwLockReadGuard | std::cell::Ref |
 | MappedReadGuard | parking_lot::MappedRwLockReadGuard | std::cell::Ref |
 | WriteGuard | parking_lot::RwLockWriteGuard | std::cell::RefMut |