Auto merge of rust-lang#126914 - compiler-errors:rollup-zx0hchm, r=compiler-errors

Rollup of 11 pull requests

Successful merges:

 - rust-lang#124460 (Show notice about  "never used" of Debug for enum)
 - rust-lang#124712 (Deprecate no-op codegen option `-Cinline-threshold=...`)
 - rust-lang#125082 (Remove `MaybeUninit::uninit_array()` and replace it with inline const blocks.)
 - rust-lang#125575 (SmartPointer derive-macro)
 - rust-lang#126413 (compiletest: make the crash test error message abit more informative)
 - rust-lang#126673 (Ensure we don't accidentally succeed when we want to report an error)
 - rust-lang#126682 (coverage: Overhaul validation of the `#[coverage(..)]` attribute)
 - rust-lang#126899 (Suggest inline const blocks for array initialization)
 - rust-lang#126904 (Small fixme in core now that NonZero is generic)
 - rust-lang#126909 (add `@kobzol` to bootstrap team for triagebot)
 - rust-lang#126911 (Split the lifetimes of `MirBorrowckCtxt`)

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

Author: bors

compiler/rustc_borrowck/src/diagnostics/region_errors.rs

@@ -160,7 +160,7 @@ pub struct ErrorConstraintInfo<'tcx> {
     pub(super) span: Span,
 }
 
-impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> {
+impl<'tcx> MirBorrowckCtxt<'_, '_, '_, 'tcx> {
     /// Converts a region inference variable into a `ty::Region` that
     /// we can use for error reporting. If `r` is universally bound,
     /// then we use the name that we have on record for it. If `r` is

compiler/rustc_borrowck/src/diagnostics/region_name.rs

@@ -198,7 +198,7 @@ impl rustc_errors::IntoDiagArg for RegionName {
     }
 }
 
-impl<'tcx> MirBorrowckCtxt<'_, 'tcx> {
+impl<'tcx> MirBorrowckCtxt<'_, '_, '_, 'tcx> {
     pub(crate) fn mir_def_id(&self) -> hir::def_id::LocalDefId {
         self.body.source.def_id().expect_local()
     }