Rollup of 5 pull requests

[Dylan-DPC]

Successful merges:

• Improve the safety docs for CStr #95948 (Improve the safety docs for CStr)
• Fix precise field capture of univariant enums #97325 (Fix precise field capture of univariant enums)
• Preserve unused pointer to address casts #97597 (Preserve unused pointer to address casts)
• ⬆️ rust-analyzer #97817 (:arrow_up: rust-analyzer)
• Remove confusing sentence from Mutex docs #97821 (Remove confusing sentence from Mutex docs)

Failed merges:

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

[Dylan-DPC]

@bors r+ rollup=never p=5

[bors]

📌 Commit ff1a2f6 has been approved by Dylan-DPC

[Dylan-DPC]

@bors r-

[rust-log-analyzer]

The job mingw-check failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

    Checking rustc_ast_lowering v0.0.0 (/checkout/compiler/rustc_ast_lowering)
    Checking rustc_ast_passes v0.0.0 (/checkout/compiler/rustc_ast_passes)
    Checking rustc_expand v0.0.0 (/checkout/compiler/rustc_expand)
    Checking rustc_builtin_macros v0.0.0 (/checkout/compiler/rustc_builtin_macros)
error[E0004]: non-exhaustive patterns: `&Cast(PointerFromExposedAddress, _, _)` not covered
     |
2611 |         match self {
2611 |         match self {
     |               ^^^^ pattern `&Cast(PointerFromExposedAddress, _, _)` not covered
     |
note: `mir::Rvalue` defined here
     |
2483 | pub enum Rvalue<'tcx> {
     |          ------
...
...
2541 |     Cast(CastKind, Operand<'tcx>, Ty<'tcx>),
     |     ^^^^ not covered
     = note: the matched value is of type `&mir::Rvalue`
help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
     |
2630 ~             | Rvalue::ShallowInitBox(_, _) => true,
2631 + 
2632 ~             &Cast(PointerFromExposedAddress, _, _) => todo!(),

For more information about this error, try `rustc --explain E0004`.
error: could not compile `rustc_middle` due to previous error
warning: build failed, waiting for other jobs to finish...