Auto merge of #95944 - Dylan-DPC:rollup-idggkrh, r=Dylan-DPC

Rollup of 7 pull requests

Successful merges:

 - #95008 ([`let_chains`] Forbid `let` inside parentheses)
 - #95801 (Replace RwLock by a futex based one on Linux)
 - #95864 (Fix miscompilation of inline assembly with outputs in cases where we emit an invoke instead of call instruction.)
 - #95894 (Fix formatting error in pin.rs docs)
 - #95895 (Clarify str::from_utf8_unchecked's invariants)
 - #95901 (Remove duplicate aliases for `check codegen_{cranelift,gcc}` and fix `build codegen_gcc`)
 - #95927 (CI: do not compile libcore twice when performing LLVM PGO)

Failed merges:

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