Added diagnostic items to structs and traits for Clippy

compiler/rustc_span/src/symbol.rs

@@ -122,10 +122,14 @@ symbols! {
     // nice to have.
     Symbols {
         Alignment,
+        Any,
         Arc,
         Argument,
         ArgumentV1,
         Arguments,
+        AsMut,
+        AsRef,
+        BTreeEntry,
         BTreeMap,
         BTreeSet,
         BinaryHeap,
@@ -139,6 +143,7 @@ symbols! {
         Continue,
         Copy,
         Count,
+        Cow,
         Debug,
         DebugStruct,
         DebugTuple,
@@ -146,12 +151,17 @@ symbols! {
         Decoder,
         Default,
         Deref,
+        DirBuilder,
+        DoubleEndedIterator,
+        Duration,
         Encodable,
         Encoder,
         Eq,
         Equal,
         Err,
         Error,
+        File,
+        FileType,
         FormatSpec,
         Formatter,
         From,
@@ -164,9 +174,12 @@ symbols! {
         HashMap,
         HashSet,
         Hasher,
+        HashMapEntry,
         Implied,
         Input,
         IntoIterator,
+        IoRead,
+        IoWrite,
         Is,
         ItemContext,
         Iterator,

library/alloc/src/borrow.rs

@@ -177,6 +177,7 @@ where
 /// }
 /// ```
 #[stable(feature = "rust1", since = "1.0.0")]
+#[cfg_attr(not(test), rustc_diagnostic_item = "Cow")]
 pub enum Cow<'a, B: ?Sized + 'a>
 where
     B: ToOwned,

library/alloc/src/collections/btree/map/entry.rs

@@ -14,6 +14,7 @@ use Entry::*;
 ///
 /// [`entry`]: BTreeMap::entry
 #[stable(feature = "rust1", since = "1.0.0")]
+#[cfg_attr(not(test), rustc_diagnostic_item = "BTreeEntry")]
 pub enum Entry<'a, K: 'a, V: 'a> {
     /// A vacant entry.
     #[stable(feature = "rust1", since = "1.0.0")]

library/core/src/any.rs

@@ -108,6 +108,7 @@ use crate::intrinsics;
 // unsafe traits and unsafe methods (i.e., `type_id` would still be safe to call,
 // but we would likely want to indicate as such in documentation).
 #[stable(feature = "rust1", since = "1.0.0")]
+#[cfg_attr(not(test), rustc_diagnostic_item = "Any")]
 pub trait Any: 'static {
     /// Gets the `TypeId` of `self`.
     ///

library/core/src/convert/mod.rs

@@ -152,6 +152,7 @@ pub const fn identity<T>(x: T) -> T {
 /// is_hello(s);
 /// ```
 #[stable(feature = "rust1", since = "1.0.0")]
+#[cfg_attr(not(test), rustc_diagnostic_item = "AsRef")]
 pub trait AsRef<T: ?Sized> {
     /// Performs the conversion.
     #[stable(feature = "rust1", since = "1.0.0")]
@@ -193,6 +194,7 @@ pub trait AsRef<T: ?Sized> {
 ///
 /// [`Box<T>`]: ../../std/boxed/struct.Box.html
 #[stable(feature = "rust1", since = "1.0.0")]
+#[cfg_attr(not(test), rustc_diagnostic_item = "AsMut")]
 pub trait AsMut<T: ?Sized> {
     /// Performs the conversion.
     #[stable(feature = "rust1", since = "1.0.0")]

library/core/src/iter/traits/double_ended.rs

@@ -36,6 +36,7 @@ use crate::ops::{ControlFlow, Try};
 /// assert_eq!(None, iter.next_back());
 /// ```
 #[stable(feature = "rust1", since = "1.0.0")]
+#[cfg_attr(not(test), rustc_diagnostic_item = "DoubleEndedIterator")]
 pub trait DoubleEndedIterator: Iterator {
     /// Removes and returns an element from the end of the iterator.
     ///

library/core/src/time.rs

@@ -61,6 +61,7 @@ const MICROS_PER_SEC: u64 = 1_000_000;
 /// crate to do so.
 #[stable(feature = "duration", since = "1.3.0")]
 #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
+#[cfg_attr(not(test), rustc_diagnostic_item = "Duration")]
 pub struct Duration {
     secs: u64,
     nanos: u32, // Always 0 <= nanos < NANOS_PER_SEC

library/std/src/collections/hash/map.rs

@@ -1829,6 +1829,7 @@ impl<K, V, S> Debug for RawEntryBuilder<'_, K, V, S> {
 ///
 /// [`entry`]: HashMap::entry
 #[stable(feature = "rust1", since = "1.0.0")]
+#[cfg_attr(not(test), rustc_diagnostic_item = "HashMapEntry")]
 pub enum Entry<'a, K: 'a, V: 'a> {
     /// An occupied entry.
     #[stable(feature = "rust1", since = "1.0.0")]

library/std/src/fs.rs

@@ -88,6 +88,7 @@ use crate::time::SystemTime;
 /// [`BufReader<R>`]: io::BufReader
 /// [`sync_all`]: File::sync_all
 #[stable(feature = "rust1", since = "1.0.0")]
+#[cfg_attr(not(test), rustc_diagnostic_item = "File")]
 pub struct File {
     inner: fs_imp::File,
 }
@@ -183,12 +184,14 @@ pub struct Permissions(fs_imp::FilePermissions);
 /// It is returned by [`Metadata::file_type`] method.
 #[stable(feature = "file_type", since = "1.1.0")]
 #[derive(Copy, Clone, PartialEq, Eq, Hash, Debug)]
+#[cfg_attr(not(test), rustc_diagnostic_item = "FileType")]
 pub struct FileType(fs_imp::FileType);
 
 /// A builder used to create directories in various manners.
 ///
 /// This builder also supports platform-specific options.
 #[stable(feature = "dir_builder", since = "1.6.0")]
+#[cfg_attr(not(test), rustc_diagnostic_item = "DirBuilder")]
 #[derive(Debug)]
 pub struct DirBuilder {
     inner: fs_imp::DirBuilder,

library/std/src/io/mod.rs

@@ -514,6 +514,7 @@ pub(crate) fn default_read_exact<R: Read + ?Sized>(this: &mut R, mut buf: &mut [
 /// [`File`]: crate::fs::File
 #[stable(feature = "rust1", since = "1.0.0")]
 #[doc(notable_trait)]
+#[cfg_attr(not(test), rustc_diagnostic_item = "IoRead")]
 pub trait Read {
     /// Pull some bytes from this source into the specified buffer, returning
     /// how many bytes were read.
@@ -1361,6 +1362,7 @@ impl Initializer {
 /// [`write_all`]: Write::write_all
 #[stable(feature = "rust1", since = "1.0.0")]
 #[doc(notable_trait)]
+#[cfg_attr(not(test), rustc_diagnostic_item = "IoWrite")]
 pub trait Write {
     /// Write a buffer into this writer, returning how many bytes were written.
     ///