Auto merge of #120660 - matthiaskrgr:rollup-zuqljul, r=matthiaskrgr

Rollup of 9 pull requests

Successful merges:

 - #119481 (Clarify ambiguity in select_nth_unstable docs)
 - #119600 (Remove outdated references to librustc_middle)
 - #120458 (Document `&CStr` to `CString` conversion)
 - #120569 (coverage: Improve handling of function/closure spans)
 - #120572 (Update libc to 0.2.153)
 - #120587 (miri: normalize struct tail in ABI compat check)
 - #120607 (fix #120603 by adding a check in default_read_buf)
 - #120636 (Subtree update of `rust-analyzer`)
 - #120641 (rustdoc: trait.impl, type.impl: sort impls to make it not depend on serialization order)

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

Author: bors

tests/pass/issues/issue-miri-3282-struct-tail-normalize.rs

@@ -0,0 +1,20 @@
+// regression test for an ICE: https://github.com/rust-lang/miri/issues/3282
+
+trait Id {
+    type Assoc: ?Sized;
+}
+
+impl<T: ?Sized> Id for T {
+    type Assoc = T;
+}
+
+#[repr(transparent)]
+struct Foo<T: ?Sized> {
+    field: <T as Id>::Assoc,
+}
+
+fn main() {
+    let x = unsafe { std::mem::transmute::<fn(&str), fn(&Foo<str>)>(|_| ()) };
+    let foo: &Foo<str> = unsafe { &*("uwu" as *const str as *const Foo<str>) };
+    x(foo);
+}