Auto merge of #142901 - matthiaskrgr:rollup-topt4p6, r=matthiaskrgr

Rollup of 5 pull requests

Successful merges:

 - rust-lang/rust#141597 (Document subdirectories of UI tests with README files)
 - rust-lang/rust#142823 (Port `#[no_mangle]` to new attribute parsing infrastructure)
 - rust-lang/rust#142828 (1.88.0 release notes)
 - rust-lang/rust#142854 (centralize `-Zmin-function-alignment` logic)
 - rust-lang/rust#142875 (Check rustdoc-json-types FORMAT_VERSION is correctly updated)

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

Author: bors

clippy_lints/src/functions/must_use.rs

@@ -15,9 +15,8 @@ use clippy_utils::ty::is_must_use_ty;
 use clippy_utils::visitors::for_each_expr_without_closures;
 use clippy_utils::{return_ty, trait_ref_of_method};
 use rustc_trait_selection::error_reporting::InferCtxtErrorExt;
-use rustc_attr_data_structures::AttributeKind;
 use rustc_span::Symbol;
-use rustc_attr_data_structures::find_attr;
+use rustc_attr_data_structures::{AttributeKind, find_attr};
 
 use core::ops::ControlFlow;
 
@@ -36,7 +35,7 @@ pub(super) fn check_item<'tcx>(cx: &LateContext<'tcx>, item: &'tcx hir::Item<'_>
         let fn_header_span = item.span.with_hi(sig.decl.output.span().hi());
         if let Some((attr_span, reason)) = attr {
             check_needless_must_use(cx, sig.decl, item.owner_id, item.span, fn_header_span, *attr_span, *reason, attrs, sig);
-        } else if is_public && !is_proc_macro(attrs) && !attrs.iter().any(|a| a.has_name(sym::no_mangle)) {
+        } else if is_public && !is_proc_macro(attrs) && !find_attr!(attrs, AttributeKind::NoMangle(..)) {
             check_must_use_candidate(
                 cx,
                 sig.decl,

clippy_lints/src/no_mangle_with_rust_abi.rs

@@ -6,6 +6,8 @@ use rustc_hir::{Item, ItemKind};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::declare_lint_pass;
 use rustc_span::{BytePos, Pos};
+use rustc_attr_data_structures::AttributeKind;
+use rustc_hir::Attribute;
 
 declare_clippy_lint! {
     /// ### What it does
@@ -44,8 +46,7 @@ impl<'tcx> LateLintPass<'tcx> for NoMangleWithRustAbi {
             let mut app = Applicability::MaybeIncorrect;
             let fn_snippet = snippet_with_applicability(cx, fn_sig.span.with_hi(ident.span.lo()), "..", &mut app);
             for attr in attrs {
-                if let Some(ident) = attr.ident()
-                    && ident.name == rustc_span::sym::no_mangle
+                if let Attribute::Parsed(AttributeKind::NoMangle(attr_span)) = attr
                     && fn_sig.header.abi == ExternAbi::Rust
                     && let Some((fn_attrs, _)) = fn_snippet.rsplit_once("fn")
                     && !fn_attrs.contains("extern")
@@ -54,7 +55,7 @@ impl<'tcx> LateLintPass<'tcx> for NoMangleWithRustAbi {
                         .span
                         .with_lo(fn_sig.span.lo() + BytePos::from_usize(fn_attrs.len()))
                         .shrink_to_lo();
-                    let attr_snippet = snippet(cx, attr.span(), "..");
+                    let attr_snippet = snippet(cx, *attr_span, "..");
 
                     span_lint_and_then(
                         cx,