diff --git a/example/issue-72793.rs b/example/issue-72793.rs
index 166b00600438..2e08fbca8ef2 100644
--- a/example/issue-72793.rs
+++ b/example/issue-72793.rs
@@ -2,20 +2,23 @@
 
 #![feature(type_alias_impl_trait)]
 
-trait T {
-    type Item;
-}
+mod helper {
+    pub trait T {
+        type Item;
+    }
 
-type Alias<'a> = impl T<Item = &'a ()>;
+    pub type Alias<'a> = impl T<Item = &'a ()>;
 
-struct S;
-impl<'a> T for &'a S {
-    type Item = &'a ();
-}
+    struct S;
+    impl<'a> T for &'a S {
+        type Item = &'a ();
+    }
 
-fn filter_positive<'a>() -> Alias<'a> {
-    &S
+    pub fn filter_positive<'a>() -> Alias<'a> {
+        &S
+    }
 }
+use helper::*;
 
 fn with_positive(fun: impl Fn(Alias<'_>)) {
     fun(filter_positive());
diff --git a/patches/0029-stdlib-rawdylib-processprng.patch b/patches/0029-stdlib-rawdylib-processprng.patch
index 6af11e54d88a..584dbdb647f6 100644
--- a/patches/0029-stdlib-rawdylib-processprng.patch
+++ b/patches/0029-stdlib-rawdylib-processprng.patch
@@ -12,7 +12,7 @@ diff --git a/library/std/src/sys/pal/windows/c.rs b/library/std/src/sys/pal/wind
 index ad8e01bfa9b..9ca8e4c16ce 100644
 --- a/library/std/src/sys/pal/windows/c.rs
 +++ b/library/std/src/sys/pal/windows/c.rs
-@@ -323,7 +323,7 @@ pub unsafe fn NtWriteFile(
+@@ -312,7 +312,7 @@ pub unsafe fn NtWriteFile(
  
  // Use raw-dylib to import ProcessPrng as we can't rely on there being an import library.
  cfg_if::cfg_if! {
@@ -26,8 +26,8 @@ index e427546222a..f2fe42a4d51 100644
 --- a/library/std/src/sys/pal/windows/rand.rs
 +++ b/library/std/src/sys/pal/windows/rand.rs
 @@ -2,7 +2,7 @@
- use core::mem;
- use core::ptr;
+ 
+ use crate::sys::c;
  
 -#[cfg(not(target_vendor = "win7"))]
 +#[cfg(any())]
diff --git a/src/inline_asm.rs b/src/inline_asm.rs
index 2de804f5e042..c6b26dd873bd 100644
--- a/src/inline_asm.rs
+++ b/src/inline_asm.rs
@@ -4,6 +4,7 @@ use std::fmt::Write;
 
 use cranelift_codegen::isa::CallConv;
 use rustc_ast::ast::{InlineAsmOptions, InlineAsmTemplatePiece};
+use rustc_hir::LangItem;
 use rustc_span::sym;
 use rustc_target::asm::*;
 use target_lexicon::BinaryFormat;
@@ -927,7 +928,7 @@ fn call_inline_asm<'tcx>(
 fn asm_clif_type<'tcx>(fx: &FunctionCx<'_, '_, 'tcx>, ty: Ty<'tcx>) -> Option<types::Type> {
     match ty.kind() {
         // Adapted from https://github.com/rust-lang/rust/blob/f3c66088610c1b80110297c2d9a8b5f9265b013f/compiler/rustc_hir_analysis/src/check/intrinsicck.rs#L136-L151
-        ty::Adt(adt, args) if Some(adt.did()) == fx.tcx.lang_items().maybe_uninit() => {
+        ty::Adt(adt, args) if fx.tcx.is_lang_item(adt.did(), LangItem::MaybeUninit) => {
             let fields = &adt.non_enum_variant().fields;
             let ty = fields[FieldIdx::from_u32(1)].ty(fx.tcx, args);
             let ty::Adt(ty, args) = ty.kind() else {
diff --git a/src/lib.rs b/src/lib.rs
index 9eece684b1a6..924af2bfe4fe 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,13 +1,16 @@
-#![cfg_attr(doc, allow(internal_features))]
-#![cfg_attr(doc, feature(rustdoc_internals))]
-#![cfg_attr(doc, doc(rust_logo))]
-#![feature(rustc_private)]
-// Note: please avoid adding other feature gates where possible
+// tidy-alphabetical-start
 #![allow(rustc::diagnostic_outside_of_impl)]
 #![allow(rustc::untranslatable_diagnostic)]
+#![cfg_attr(doc, allow(internal_features))]
+#![cfg_attr(doc, doc(rust_logo))]
+#![cfg_attr(doc, feature(rustdoc_internals))]
+// Note: please avoid adding other feature gates where possible
+#![feature(rustc_private)]
+// Note: please avoid adding other feature gates where possible
 #![warn(rust_2018_idioms)]
-#![warn(unused_lifetimes)]
 #![warn(unreachable_pub)]
+#![warn(unused_lifetimes)]
+// tidy-alphabetical-end
 
 extern crate jobserver;
 #[macro_use]
diff --git a/src/unsize.rs b/src/unsize.rs
index 4acbc8a27edb..967aa53abbda 100644
--- a/src/unsize.rs
+++ b/src/unsize.rs
@@ -39,8 +39,7 @@ pub(crate) fn unsized_info<'tcx>(
             }
 
             // trait upcasting coercion
-            let vptr_entry_idx =
-                fx.tcx.vtable_trait_upcasting_coercion_new_vptr_slot((source, target));
+            let vptr_entry_idx = fx.tcx.supertrait_vtable_slot((source, target));
 
             if let Some(entry_idx) = vptr_entry_idx {
                 let entry_idx = u32::try_from(entry_idx).unwrap();