explicit_reinitialization: Cutoff reinit

CHANGELOG.md

@@ -5013,6 +5013,7 @@ Released 2018-09-13
 [`explicit_deref_methods`]: https://rust-lang.github.io/rust-clippy/master/index.html#explicit_deref_methods
 [`explicit_into_iter_loop`]: https://rust-lang.github.io/rust-clippy/master/index.html#explicit_into_iter_loop
 [`explicit_iter_loop`]: https://rust-lang.github.io/rust-clippy/master/index.html#explicit_iter_loop
+[`explicit_reinitialization`]: https://rust-lang.github.io/rust-clippy/master/index.html#explicit_reinitialization
 [`explicit_write`]: https://rust-lang.github.io/rust-clippy/master/index.html#explicit_write
 [`extend_from_slice`]: https://rust-lang.github.io/rust-clippy/master/index.html#extend_from_slice
 [`extend_with_drain`]: https://rust-lang.github.io/rust-clippy/master/index.html#extend_with_drain

clippy_config/src/metadata.rs

@@ -90,7 +90,7 @@ fn parse_config_field_doc(doc_comment: &str) -> Option<(Vec<String>, String)> {
         && let Some(split_pos) = doc_comment.find('.')
     {
         let mut doc_comment = doc_comment.to_string();
-        let mut documentation = doc_comment.split_off(split_pos);
+        let documentation = doc_comment.split_off(split_pos);
 
         // Extract lints
         doc_comment.make_ascii_lowercase();
@@ -102,7 +102,7 @@ fn parse_config_field_doc(doc_comment: &str) -> Option<(Vec<String>, String)> {
 
         // Format documentation correctly
         // split off leading `.` from lint name list and indent for correct formatting
-        documentation = documentation.trim_start_matches('.').trim().replace("\n ", "\n    ");
+        let documentation = documentation.trim_start_matches('.').trim().replace("\n ", "\n    ");
 
         Some((lints, documentation))
     } else {

clippy_dev/src/update_lints.rs

@@ -450,7 +450,7 @@ fn remove_lint_declaration(name: &str, path: &Path, lints: &mut Vec<Lint>) -> io
 
                 // Remove the module declaration (mod xyz;)
                 let mod_decl = format!("\nmod {name};");
-                content = content.replacen(&mod_decl, "", 1);
+                let mut content = content.replacen(&mod_decl, "", 1);
 
                 remove_impl_lint_pass(&lint.name.to_uppercase(), &mut content);
                 fs::write(path, content).unwrap_or_else(|_| panic!("failed to write to `{}`", path.to_string_lossy()));

clippy_lints/src/declared_lints.rs

@@ -167,6 +167,7 @@ pub(crate) static LINTS: &[&crate::LintInfo] = &[
     crate::exhaustive_items::EXHAUSTIVE_ENUMS_INFO,
     crate::exhaustive_items::EXHAUSTIVE_STRUCTS_INFO,
     crate::exit::EXIT_INFO,
+    crate::explicit_reinitialization::EXPLICIT_REINITIALIZATION_INFO,
     crate::explicit_write::EXPLICIT_WRITE_INFO,
     crate::extra_unused_type_parameters::EXTRA_UNUSED_TYPE_PARAMETERS_INFO,
     crate::fallible_impl_from::FALLIBLE_IMPL_FROM_INFO,

clippy_lints/src/dereference.rs

@@ -801,11 +801,11 @@ impl TyCoercionStability {
     }
 
     fn for_mir_ty<'tcx>(tcx: TyCtxt<'tcx>, param_env: ParamEnv<'tcx>, ty: Ty<'tcx>, for_return: bool) -> Self {
-        let ty::Ref(_, mut ty, _) = *ty.kind() else {
+        let ty::Ref(_, ty, _) = *ty.kind() else {
             return Self::None;
         };
 
-        ty = tcx.try_normalize_erasing_regions(param_env, ty).unwrap_or(ty);
+        let mut ty = tcx.try_normalize_erasing_regions(param_env, ty).unwrap_or(ty);
         loop {
             break match *ty.kind() {
                 ty::Ref(_, ref_ty, _) => {