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-rw-r--r--clippy_lints/src/casts/cast_possible_truncation.rs4
-rw-r--r--clippy_lints/src/disallowed_macros.rs4
-rw-r--r--clippy_lints/src/doc/needless_doctest_main.rs4
-rw-r--r--clippy_lints/src/functions/result.rs4
-rw-r--r--clippy_lints/src/if_let_mutex.rs4
-rw-r--r--clippy_lints/src/implicit_hasher.rs4
-rw-r--r--clippy_lints/src/manual_clamp.rs4
-rw-r--r--clippy_lints/src/matches/significant_drop_in_scrutinee.rs4
-rw-r--r--clippy_lints/src/methods/suspicious_command_arg_space.rs4
-rw-r--r--clippy_lints/src/missing_asserts_for_indexing.rs4
-rw-r--r--clippy_lints/src/needless_pass_by_value.rs4
-rw-r--r--clippy_lints/src/utils/internal_lints/metadata_collector.rs6
-rw-r--r--clippy_utils/src/diagnostics.rs12
-rw-r--r--clippy_utils/src/paths.rs2
-rw-r--r--clippy_utils/src/sugg.rs4
15 files changed, 34 insertions, 34 deletions
diff --git a/clippy_lints/src/casts/cast_possible_truncation.rs b/clippy_lints/src/casts/cast_possible_truncation.rs
index ab89bb2f5f1..2c0a3d48296 100644
--- a/clippy_lints/src/casts/cast_possible_truncation.rs
+++ b/clippy_lints/src/casts/cast_possible_truncation.rs
@@ -4,7 +4,7 @@ use clippy_utils::expr_or_init;
 use clippy_utils::source::snippet;
 use clippy_utils::sugg::Sugg;
 use clippy_utils::ty::{get_discriminant_value, is_isize_or_usize};
-use rustc_errors::{Applicability, DiagnosticBuilder, SuggestionStyle};
+use rustc_errors::{Applicability, Diag, SuggestionStyle};
 use rustc_hir::def::{DefKind, Res};
 use rustc_hir::{BinOpKind, Expr, ExprKind};
 use rustc_lint::LateContext;
@@ -176,7 +176,7 @@ fn offer_suggestion(
     expr: &Expr<'_>,
     cast_expr: &Expr<'_>,
     cast_to_span: Span,
-    diag: &mut DiagnosticBuilder<'_, ()>,
+    diag: &mut Diag<'_, ()>,
 ) {
     let cast_to_snip = snippet(cx, cast_to_span, "..");
     let suggestion = if cast_to_snip == "_" {
diff --git a/clippy_lints/src/disallowed_macros.rs b/clippy_lints/src/disallowed_macros.rs
index 75379cb4e54..4a617ba34d5 100644
--- a/clippy_lints/src/disallowed_macros.rs
+++ b/clippy_lints/src/disallowed_macros.rs
@@ -3,7 +3,7 @@ use clippy_utils::diagnostics::{span_lint_and_then, span_lint_hir_and_then};
 use clippy_utils::macros::macro_backtrace;
 use rustc_ast::Attribute;
 use rustc_data_structures::fx::FxHashSet;
-use rustc_errors::DiagnosticBuilder;
+use rustc_errors::Diag;
 use rustc_hir::def_id::DefIdMap;
 use rustc_hir::{
     Expr, ExprKind, ForeignItem, HirId, ImplItem, Item, ItemKind, OwnerId, Pat, Path, Stmt, TraitItem, Ty,
@@ -89,7 +89,7 @@ impl DisallowedMacros {
             if let Some(&index) = self.disallowed.get(&mac.def_id) {
                 let conf = &self.conf_disallowed[index];
                 let msg = format!("use of a disallowed macro `{}`", conf.path());
-                let add_note = |diag: &mut DiagnosticBuilder<'_, _>| {
+                let add_note = |diag: &mut Diag<'_, _>| {
                     if let Some(reason) = conf.reason() {
                         diag.note(reason);
                     }
diff --git a/clippy_lints/src/doc/needless_doctest_main.rs b/clippy_lints/src/doc/needless_doctest_main.rs
index 8dde4f227ed..58656140352 100644
--- a/clippy_lints/src/doc/needless_doctest_main.rs
+++ b/clippy_lints/src/doc/needless_doctest_main.rs
@@ -6,7 +6,7 @@ use clippy_utils::diagnostics::span_lint;
 use rustc_ast::{CoroutineKind, Fn, FnRetTy, Item, ItemKind};
 use rustc_data_structures::sync::Lrc;
 use rustc_errors::emitter::HumanEmitter;
-use rustc_errors::{DiagCtxt, DiagnosticBuilder};
+use rustc_errors::{Diag, DiagCtxt};
 use rustc_lint::LateContext;
 use rustc_parse::maybe_new_parser_from_source_str;
 use rustc_parse::parser::ForceCollect;
@@ -53,7 +53,7 @@ pub fn check(
                 let mut parser = match maybe_new_parser_from_source_str(&sess, filename, code) {
                     Ok(p) => p,
                     Err(errs) => {
-                        errs.into_iter().for_each(DiagnosticBuilder::cancel);
+                        errs.into_iter().for_each(Diag::cancel);
                         return (false, test_attr_spans);
                     },
                 };
diff --git a/clippy_lints/src/functions/result.rs b/clippy_lints/src/functions/result.rs
index 9505741e68f..7f36f33fe70 100644
--- a/clippy_lints/src/functions/result.rs
+++ b/clippy_lints/src/functions/result.rs
@@ -1,4 +1,4 @@
-use rustc_errors::DiagnosticBuilder;
+use rustc_errors::Diag;
 use rustc_hir as hir;
 use rustc_lint::{LateContext, LintContext};
 use rustc_middle::lint::in_external_macro;
@@ -135,7 +135,7 @@ fn check_result_large_err<'tcx>(cx: &LateContext<'tcx>, err_ty: Ty<'tcx>, hir_ty
                 RESULT_LARGE_ERR,
                 hir_ty_span,
                 "the `Err`-variant returned from this function is very large",
-                |diag: &mut DiagnosticBuilder<'_, ()>| {
+                |diag: &mut Diag<'_, ()>| {
                     diag.span_label(hir_ty_span, format!("the `Err`-variant is at least {ty_size} bytes"));
                     diag.help(format!("try reducing the size of `{err_ty}`, for example by boxing large elements or replacing it with `Box<{err_ty}>`"));
                 },
diff --git a/clippy_lints/src/if_let_mutex.rs b/clippy_lints/src/if_let_mutex.rs
index 61a322ea881..a55836a972f 100644
--- a/clippy_lints/src/if_let_mutex.rs
+++ b/clippy_lints/src/if_let_mutex.rs
@@ -1,7 +1,7 @@
 use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::ty::is_type_diagnostic_item;
 use clippy_utils::{higher, SpanlessEq};
-use rustc_errors::DiagnosticBuilder;
+use rustc_errors::Diag;
 use rustc_hir::intravisit::{self as visit, Visitor};
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::{LateContext, LateLintPass};
@@ -59,7 +59,7 @@ impl<'tcx> LateLintPass<'tcx> for IfLetMutex {
                 arm_visit.visit_expr(if_else);
 
                 if let Some(arm_mutex) = arm_visit.found_mutex_if_same_as(op_mutex) {
-                    let diag = |diag: &mut DiagnosticBuilder<'_, ()>| {
+                    let diag = |diag: &mut Diag<'_, ()>| {
                         diag.span_label(
                             op_mutex.span,
                             "this Mutex will remain locked for the entire `if let`-block...",
diff --git a/clippy_lints/src/implicit_hasher.rs b/clippy_lints/src/implicit_hasher.rs
index 746de50c0fa..a79bf66ae01 100644
--- a/clippy_lints/src/implicit_hasher.rs
+++ b/clippy_lints/src/implicit_hasher.rs
@@ -1,7 +1,7 @@
 use std::borrow::Cow;
 use std::collections::BTreeMap;
 
-use rustc_errors::DiagnosticBuilder;
+use rustc_errors::Diag;
 use rustc_hir as hir;
 use rustc_hir::intravisit::{walk_body, walk_expr, walk_inf, walk_ty, Visitor};
 use rustc_hir::{Body, Expr, ExprKind, GenericArg, Item, ItemKind, QPath, TyKind};
@@ -65,7 +65,7 @@ impl<'tcx> LateLintPass<'tcx> for ImplicitHasher {
 
         fn suggestion(
             cx: &LateContext<'_>,
-            diag: &mut DiagnosticBuilder<'_, ()>,
+            diag: &mut Diag<'_, ()>,
             generics_span: Span,
             generics_suggestion_span: Span,
             target: &ImplicitHasherType<'_>,
diff --git a/clippy_lints/src/manual_clamp.rs b/clippy_lints/src/manual_clamp.rs
index 12bb80dfde2..830af77968c 100644
--- a/clippy_lints/src/manual_clamp.rs
+++ b/clippy_lints/src/manual_clamp.rs
@@ -9,7 +9,7 @@ use clippy_utils::{
     peel_blocks_with_stmt, MaybePath,
 };
 use itertools::Itertools;
-use rustc_errors::{Applicability, DiagnosticBuilder};
+use rustc_errors::{Applicability, Diag};
 use rustc_hir::def::Res;
 use rustc_hir::{Arm, BinOpKind, Block, Expr, ExprKind, HirId, PatKind, PathSegment, PrimTy, QPath, StmtKind};
 use rustc_lint::{LateContext, LateLintPass};
@@ -163,7 +163,7 @@ fn emit_suggestion<'tcx>(cx: &LateContext<'tcx>, suggestion: &ClampSuggestion<'t
     };
     let suggestion = format!("{assignment}{input}.clamp({min}, {max}){semicolon}");
     let msg = "clamp-like pattern without using clamp function";
-    let lint_builder = |d: &mut DiagnosticBuilder<'_, ()>| {
+    let lint_builder = |d: &mut Diag<'_, ()>| {
         d.span_suggestion(*span, "replace with clamp", suggestion, Applicability::MaybeIncorrect);
         if *is_float {
             d.note("clamp will panic if max < min, min.is_nan(), or max.is_nan()")
diff --git a/clippy_lints/src/matches/significant_drop_in_scrutinee.rs b/clippy_lints/src/matches/significant_drop_in_scrutinee.rs
index 78107c0cd23..69f86836775 100644
--- a/clippy_lints/src/matches/significant_drop_in_scrutinee.rs
+++ b/clippy_lints/src/matches/significant_drop_in_scrutinee.rs
@@ -2,7 +2,7 @@ use crate::FxHashSet;
 use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::source::{indent_of, snippet};
 use clippy_utils::{get_attr, is_lint_allowed};
-use rustc_errors::{Applicability, DiagnosticBuilder};
+use rustc_errors::{Applicability, Diag};
 use rustc_hir::intravisit::{walk_expr, Visitor};
 use rustc_hir::{Arm, Expr, ExprKind, MatchSource};
 use rustc_lint::{LateContext, LintContext};
@@ -38,7 +38,7 @@ pub(super) fn check<'tcx>(
 }
 
 fn set_diagnostic<'tcx>(
-    diag: &mut DiagnosticBuilder<'_, ()>,
+    diag: &mut Diag<'_, ()>,
     cx: &LateContext<'tcx>,
     expr: &'tcx Expr<'tcx>,
     found: FoundSigDrop,
diff --git a/clippy_lints/src/methods/suspicious_command_arg_space.rs b/clippy_lints/src/methods/suspicious_command_arg_space.rs
index 617d6d998fc..38f2c916912 100644
--- a/clippy_lints/src/methods/suspicious_command_arg_space.rs
+++ b/clippy_lints/src/methods/suspicious_command_arg_space.rs
@@ -1,6 +1,6 @@
 use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::ty::is_type_diagnostic_item;
-use rustc_errors::{Applicability, DiagnosticBuilder};
+use rustc_errors::{Applicability, Diag};
 use rustc_lint::LateContext;
 use rustc_span::{sym, Span};
 use {rustc_ast as ast, rustc_hir as hir};
@@ -22,7 +22,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, recv: &'tcx hir::Expr<'_>, arg
             SUSPICIOUS_COMMAND_ARG_SPACE,
             arg.span,
             "single argument that looks like it should be multiple arguments",
-            |diag: &mut DiagnosticBuilder<'_, ()>| {
+            |diag: &mut Diag<'_, ()>| {
                 diag.multipart_suggestion_verbose(
                     "consider splitting the argument",
                     vec![(span, "args".to_string()), (arg.span, format!("[{arg1:?}, {arg2:?}]"))],
diff --git a/clippy_lints/src/missing_asserts_for_indexing.rs b/clippy_lints/src/missing_asserts_for_indexing.rs
index ab25dde7efe..39d4ea74b31 100644
--- a/clippy_lints/src/missing_asserts_for_indexing.rs
+++ b/clippy_lints/src/missing_asserts_for_indexing.rs
@@ -9,7 +9,7 @@ use clippy_utils::{eq_expr_value, hash_expr, higher};
 use rustc_ast::{LitKind, RangeLimits};
 use rustc_data_structures::packed::Pu128;
 use rustc_data_structures::unhash::UnhashMap;
-use rustc_errors::{Applicability, DiagnosticBuilder};
+use rustc_errors::{Applicability, Diag};
 use rustc_hir::{BinOp, Block, Body, Expr, ExprKind, UnOp};
 use rustc_lint::{LateContext, LateLintPass};
 use rustc_session::declare_lint_pass;
@@ -67,7 +67,7 @@ declare_lint_pass!(MissingAssertsForIndexing => [MISSING_ASSERTS_FOR_INDEXING]);
 
 fn report_lint<F>(cx: &LateContext<'_>, full_span: Span, msg: &str, indexes: &[Span], f: F)
 where
-    F: FnOnce(&mut DiagnosticBuilder<'_, ()>),
+    F: FnOnce(&mut Diag<'_, ()>),
 {
     span_lint_and_then(cx, MISSING_ASSERTS_FOR_INDEXING, full_span, msg, |diag| {
         f(diag);
diff --git a/clippy_lints/src/needless_pass_by_value.rs b/clippy_lints/src/needless_pass_by_value.rs
index 6252f91b25f..f33e2e0ed71 100644
--- a/clippy_lints/src/needless_pass_by_value.rs
+++ b/clippy_lints/src/needless_pass_by_value.rs
@@ -6,7 +6,7 @@ use clippy_utils::ty::{
     implements_trait, implements_trait_with_env_from_iter, is_copy, is_type_diagnostic_item, is_type_lang_item,
 };
 use rustc_ast::ast::Attribute;
-use rustc_errors::{Applicability, DiagnosticBuilder};
+use rustc_errors::{Applicability, Diag};
 use rustc_hir::intravisit::FnKind;
 use rustc_hir::{
     BindingAnnotation, Body, FnDecl, GenericArg, HirId, HirIdSet, Impl, ItemKind, LangItem, Mutability, Node, PatKind,
@@ -196,7 +196,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByValue {
                 && !moved_vars.contains(&canonical_id)
             {
                 // Dereference suggestion
-                let sugg = |diag: &mut DiagnosticBuilder<'_, ()>| {
+                let sugg = |diag: &mut Diag<'_, ()>| {
                     if let ty::Adt(def, ..) = ty.kind() {
                         if let Some(span) = cx.tcx.hir().span_if_local(def.did()) {
                             if type_allowed_to_implement_copy(
diff --git a/clippy_lints/src/utils/internal_lints/metadata_collector.rs b/clippy_lints/src/utils/internal_lints/metadata_collector.rs
index 6fceb5656a6..97b509a84f9 100644
--- a/clippy_lints/src/utils/internal_lints/metadata_collector.rs
+++ b/clippy_lints/src/utils/internal_lints/metadata_collector.rs
@@ -74,7 +74,7 @@ const LINT_EMISSION_FUNCTIONS: [&[&str]; 7] = [
     &["clippy_utils", "diagnostics", "span_lint_and_then"],
     &["clippy_utils", "diagnostics", "span_lint_hir_and_then"],
 ];
-const SUGGESTION_DIAGNOSTIC_BUILDER_METHODS: [(&str, bool); 9] = [
+const SUGGESTION_DIAG_METHODS: [(&str, bool); 9] = [
     ("span_suggestion", false),
     ("span_suggestion_short", false),
     ("span_suggestion_verbose", false),
@@ -1067,9 +1067,9 @@ impl<'a, 'hir> intravisit::Visitor<'hir> for IsMultiSpanScanner<'a, 'hir> {
             },
             ExprKind::MethodCall(path, recv, _, _arg_span) => {
                 let (self_ty, _) = walk_ptrs_ty_depth(self.cx.typeck_results().expr_ty(recv));
-                if match_type(self.cx, self_ty, &paths::DIAGNOSTIC_BUILDER) {
+                if match_type(self.cx, self_ty, &paths::DIAG) {
                     let called_method = path.ident.name.as_str().to_string();
-                    for (method_name, is_multi_part) in &SUGGESTION_DIAGNOSTIC_BUILDER_METHODS {
+                    for (method_name, is_multi_part) in &SUGGESTION_DIAG_METHODS {
                         if *method_name == called_method {
                             if *is_multi_part {
                                 self.add_multi_part_suggestion();
diff --git a/clippy_utils/src/diagnostics.rs b/clippy_utils/src/diagnostics.rs
index e725390d8cc..6ed46e5dde0 100644
--- a/clippy_utils/src/diagnostics.rs
+++ b/clippy_utils/src/diagnostics.rs
@@ -8,13 +8,13 @@
 //! Thank you!
 //! ~The `INTERNAL_METADATA_COLLECTOR` lint
 
-use rustc_errors::{Applicability, DiagnosticBuilder, MultiSpan};
+use rustc_errors::{Applicability, Diag, MultiSpan};
 use rustc_hir::HirId;
 use rustc_lint::{LateContext, Lint, LintContext};
 use rustc_span::Span;
 use std::env;
 
-fn docs_link(diag: &mut DiagnosticBuilder<'_, ()>, lint: &'static Lint) {
+fn docs_link(diag: &mut Diag<'_, ()>, lint: &'static Lint) {
     if env::var("CLIPPY_DISABLE_DOCS_LINKS").is_err() {
         if let Some(lint) = lint.name_lower().strip_prefix("clippy::") {
             diag.help(format!(
@@ -143,7 +143,7 @@ pub fn span_lint_and_then<C, S, F>(cx: &C, lint: &'static Lint, sp: S, msg: &str
 where
     C: LintContext,
     S: Into<MultiSpan>,
-    F: FnOnce(&mut DiagnosticBuilder<'_, ()>),
+    F: FnOnce(&mut Diag<'_, ()>),
 {
     #[expect(clippy::disallowed_methods)]
     cx.span_lint(lint, sp, msg.to_string(), |diag| {
@@ -165,7 +165,7 @@ pub fn span_lint_hir_and_then(
     hir_id: HirId,
     sp: impl Into<MultiSpan>,
     msg: &str,
-    f: impl FnOnce(&mut DiagnosticBuilder<'_, ()>),
+    f: impl FnOnce(&mut Diag<'_, ()>),
 ) {
     #[expect(clippy::disallowed_methods)]
     cx.tcx.node_span_lint(lint, hir_id, sp, msg.to_string(), |diag| {
@@ -214,7 +214,7 @@ pub fn span_lint_and_sugg<T: LintContext>(
 /// appear once per
 /// replacement. In human-readable format though, it only appears once before
 /// the whole suggestion.
-pub fn multispan_sugg<I>(diag: &mut DiagnosticBuilder<'_, ()>, help_msg: &str, sugg: I)
+pub fn multispan_sugg<I>(diag: &mut Diag<'_, ()>, help_msg: &str, sugg: I)
 where
     I: IntoIterator<Item = (Span, String)>,
 {
@@ -227,7 +227,7 @@ where
 /// multiple spans. This is tracked in issue [rustfix#141](https://github.com/rust-lang/rustfix/issues/141).
 /// Suggestions with multiple spans will be silently ignored.
 pub fn multispan_sugg_with_applicability<I>(
-    diag: &mut DiagnosticBuilder<'_, ()>,
+    diag: &mut Diag<'_, ()>,
     help_msg: &str,
     applicability: Applicability,
     sugg: I,
diff --git a/clippy_utils/src/paths.rs b/clippy_utils/src/paths.rs
index a51ada8aa12..2f728b62754 100644
--- a/clippy_utils/src/paths.rs
+++ b/clippy_utils/src/paths.rs
@@ -11,7 +11,7 @@ pub const APPLICABILITY_VALUES: [[&str; 3]; 4] = [
     ["rustc_lint_defs", "Applicability", "MaybeIncorrect"],
     ["rustc_lint_defs", "Applicability", "MachineApplicable"],
 ];
-pub const DIAGNOSTIC_BUILDER: [&str; 2] = ["rustc_errors", "DiagnosticBuilder"];
+pub const DIAG: [&str; 2] = ["rustc_errors", "Diag"];
 pub const BINARYHEAP_ITER: [&str; 5] = ["alloc", "collections", "binary_heap", "BinaryHeap", "iter"];
 pub const BTREEMAP_CONTAINS_KEY: [&str; 6] = ["alloc", "collections", "btree", "map", "BTreeMap", "contains_key"];
 pub const BTREEMAP_INSERT: [&str; 6] = ["alloc", "collections", "btree", "map", "BTreeMap", "insert"];
diff --git a/clippy_utils/src/sugg.rs b/clippy_utils/src/sugg.rs
index 1f6446b8746..d2ec327534a 100644
--- a/clippy_utils/src/sugg.rs
+++ b/clippy_utils/src/sugg.rs
@@ -684,7 +684,7 @@ fn indentation<T: LintContext>(cx: &T, span: Span) -> Option<String> {
         })
 }
 
-/// Convenience extension trait for `DiagnosticBuilder`.
+/// Convenience extension trait for `Diag`.
 pub trait DiagnosticExt<T: LintContext> {
     /// Suggests to add an attribute to an item.
     ///
@@ -732,7 +732,7 @@ pub trait DiagnosticExt<T: LintContext> {
     fn suggest_remove_item(&mut self, cx: &T, item: Span, msg: &str, applicability: Applicability);
 }
 
-impl<T: LintContext> DiagnosticExt<T> for rustc_errors::DiagnosticBuilder<'_, ()> {
+impl<T: LintContext> DiagnosticExt<T> for rustc_errors::Diag<'_, ()> {
     fn suggest_item_with_attr<D: Display + ?Sized>(
         &mut self,
         cx: &T,
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2026-04-26 22:04:32 +0000