Auto merge of #144208 - matthiaskrgr:rollup-wrli87h, r=matthiaskrgr

Rollup of 11 pull requests

Successful merges:

 - rust-lang/rust#141260 (Allow volatile access to non-Rust memory, including address 0)
 - rust-lang/rust#143604 (Stabilize `const_float_round_methods`)
 - rust-lang/rust#143988 ([rustdoc] Make aliases search support partial matching)
 - rust-lang/rust#144078 (Fix debuginfo-lto-alloc.rs test)
 - rust-lang/rust#144111 (Remove deprecated `MaybeUninit` slice methods)
 - rust-lang/rust#144116 (Fixes for LLVM 21)
 - rust-lang/rust#144134 (Cleanup unicode table gen)
 - rust-lang/rust#144142 (Add implicit sized bound to trait ascription types)
 - rust-lang/rust#144148 (Remove pretty print hack for async blocks)
 - rust-lang/rust#144169 (interpret: fix TypeId pointers being considered data pointers)
 - rust-lang/rust#144196 (Initialize mingw for the runner's user)

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

Author: bors

src/alloc_addresses/mod.rs

@@ -157,7 +157,7 @@ trait EvalContextExtPriv<'tcx>: crate::MiriInterpCxExt<'tcx> {
                         this.get_alloc_bytes_unchecked_raw(alloc_id)?
                     }
                 }
-                AllocKind::Function | AllocKind::VTable => {
+                AllocKind::Function | AllocKind::Virtual => {
                     // Allocate some dummy memory to get a unique address for this function/vtable.
                     let alloc_bytes = MiriAllocBytes::from_bytes(
                         &[0u8; 1],

src/borrow_tracker/stacked_borrows/mod.rs

@@ -650,7 +650,7 @@ trait EvalContextPrivExt<'tcx, 'ecx>: crate::MiriInterpCxExt<'tcx> {
                         dcx.log_protector();
                     }
                 },
-                AllocKind::Function | AllocKind::VTable | AllocKind::Dead => {
+                AllocKind::Function | AllocKind::Virtual | AllocKind::Dead => {
                     // No stacked borrows on these allocations.
                 }
             }
@@ -1021,7 +1021,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> {
                 trace!("Stacked Borrows tag {tag:?} exposed in {alloc_id:?}");
                 alloc_extra.borrow_tracker_sb().borrow_mut().exposed_tags.insert(tag);
             }
-            AllocKind::Function | AllocKind::VTable | AllocKind::Dead => {
+            AllocKind::Function | AllocKind::Virtual | AllocKind::Dead => {
                 // No stacked borrows on these allocations.
             }
         }

src/borrow_tracker/tree_borrows/mod.rs

@@ -673,7 +673,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> {
                 trace!("Tree Borrows tag {tag:?} exposed in {alloc_id:?}");
                 alloc_extra.borrow_tracker_tb().borrow_mut().expose_tag(tag);
             }
-            AllocKind::Function | AllocKind::VTable | AllocKind::Dead => {
+            AllocKind::Function | AllocKind::Virtual | AllocKind::Dead => {
                 // No tree borrows on these allocations.
             }
         }

tests/pass/intrinsics/type-id.rs

@@ -0,0 +1,19 @@
+use std::any::{Any, TypeId};
+
+fn main() {
+    let t1 = TypeId::of::<u64>();
+    let t2 = TypeId::of::<u64>();
+    assert_eq!(t1, t2);
+    let t3 = TypeId::of::<usize>();
+    assert_ne!(t1, t3);
+
+    let _ = format!("{t1:?}"); // test that we can debug-print
+
+    let b = Box::new(0u64) as Box<dyn Any>;
+    assert_eq!(*b.downcast_ref::<u64>().unwrap(), 0);
+    assert!(b.downcast_ref::<usize>().is_none());
+
+    // Get the first pointer chunk and try to make it a ZST ref.
+    // This used to trigger an error because TypeId allocs got misclassified as "LiveData".
+    let _raw_chunk = unsafe { (&raw const t1).cast::<&()>().read() };
+}