Remove usage of TyCtxt::node_span_lint in clippy

src/tools/clippy/clippy.toml

@@ -13,5 +13,5 @@ path = "rustc_lint::context::LintContext::span_lint"
 reason = "this function does not add a link to our documentation; please use the `clippy_utils::diagnostics::span_lint*` functions instead"
 
 [[disallowed-methods]]
-path = "rustc_middle::ty::context::TyCtxt::node_span_lint"
+path = "rustc_middle::ty::context::TyCtxt::emit_node_span_lint"
 reason = "this function does not add a link to our documentation; please use the `clippy_utils::diagnostics::span_lint_hir*` functions instead"

src/tools/clippy/clippy_utils/src/diagnostics.rs

@@ -326,14 +326,14 @@ pub fn span_lint_hir_and_then(
     f: impl FnOnce(&mut Diag<'_, ()>),
 ) {
     #[expect(clippy::disallowed_methods)]
-    cx.tcx.node_span_lint(lint, hir_id, sp, |diag| {
+    cx.tcx.emit_node_span_lint(lint, hir_id, sp, rustc_errors::DiagDecorator(|diag| {
         diag.primary_message(msg);
         f(diag);
         docs_link(diag, lint);
 
         #[cfg(debug_assertions)]
         validate_diag(diag);
-    });
+    }));
 }
 
 /// Add a span lint with a suggestion on how to fix it.

src/tools/clippy/tests/ui-internal/disallow_span_lint.rs

@@ -6,7 +6,7 @@
 extern crate rustc_lint;
 extern crate rustc_middle;
 
-use rustc_errors::{DiagMessage, MultiSpan};
+use rustc_errors::{DiagDecorator, DiagMessage, MultiSpan};
 use rustc_hir::hir_id::HirId;
 use rustc_lint::{Lint, LintContext};
 use rustc_middle::ty::TyCtxt;
@@ -19,10 +19,10 @@ pub fn a(cx: impl LintContext, lint: &'static Lint, span: impl Into<MultiSpan>,
 }
 
 pub fn b(tcx: TyCtxt<'_>, lint: &'static Lint, hir_id: HirId, span: impl Into<MultiSpan>, msg: impl Into<DiagMessage>) {
-    tcx.node_span_lint(lint, hir_id, span, |lint| {
+    tcx.emit_node_span_lint(lint, hir_id, span, DiagDecorator(|lint| {
         //~^ disallowed_methods
         lint.primary_message(msg);
-    });
+    }));
 }
 
 fn main() {}