Auto merge of #92099 - matthiaskrgr:rollup-4gwv67m, r=matthiaskrgr

Rollup of 7 pull requests

Successful merges:

 - #91141 (Revert "Temporarily rename int_roundings functions to avoid conflicts")
 - #91984 (Remove `in_band_lifetimes` from `rustc_middle`)
 - #92028 (Sync portable-simd to fix libcore build for AVX-512 enabled targets)
 - #92042 (Enable `#[thread_local]` for all windows-msvc targets)
 - #92071 (Update example code for Vec::splice to change the length)
 - #92077 (rustdoc: Remove unused `collapsed` field)
 - #92081 (rustdoc: Remove unnecessary `need_backline` function)

Failed merges:

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

compiler/rustc_middle/src/ty/context.rs

@@ -824,7 +824,7 @@ pub struct CanonicalUserTypeAnnotation<'tcx> {
 /// Canonicalized user type annotation.
 pub type CanonicalUserType<'tcx> = Canonical<'tcx, UserType<'tcx>>;
 
-impl CanonicalUserType<'tcx> {
+impl<'tcx> CanonicalUserType<'tcx> {
     /// Returns `true` if this represents a substitution of the form `[?0, ?1, ?2]`,
     /// i.e., each thing is mapped to a canonical variable with the same index.
     pub fn is_identity(&self) -> bool {
@@ -1893,7 +1893,7 @@ impl<'tcx> TyCtxt<'tcx> {
     pub fn debug_stats(self) -> impl std::fmt::Debug + 'tcx {
         struct DebugStats<'tcx>(TyCtxt<'tcx>);
 
-        impl std::fmt::Debug for DebugStats<'tcx> {
+        impl<'tcx> std::fmt::Debug for DebugStats<'tcx> {
             fn fmt(&self, fmt: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
                 sty_debug_print!(
                     fmt,
@@ -2711,7 +2711,7 @@ impl<'tcx> TyCtxt<'tcx> {
     }
 }
 
-impl TyCtxtAt<'tcx> {
+impl<'tcx> TyCtxtAt<'tcx> {
     /// Constructs a `TyKind::Error` type and registers a `delay_span_bug` to ensure it gets used.
     #[track_caller]
     pub fn ty_error(self) -> Ty<'tcx> {