Remove unused diagnostic items

6 files changed, 0 insertions, 38 deletions

diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs
index b48db73618b..4d1d25889f1 100644
--- a/compiler/rustc_span/src/symbol.rs
+++ b/compiler/rustc_span/src/symbol.rs
@@ -190,9 +190,6 @@ symbols! {
         Error,
         File,
         FileType,
-        Fn,
-        FnMut,
-        FnOnce,
         FormatSpec,
         Formatter,
         From,
@@ -462,7 +459,6 @@ symbols! {
         cfg_doctest,
         cfg_eval,
         cfg_hide,
-        cfg_macro,
         cfg_panic,
         cfg_sanitize,
         cfg_target_abi,
@@ -495,19 +491,16 @@ symbols! {
         cold,
         collapse_debuginfo,
         column,
-        column_macro,
         compare_and_swap,
         compare_exchange,
         compare_exchange_weak,
         compile_error,
-        compile_error_macro,
         compiler,
         compiler_builtins,
         compiler_fence,
         concat,
         concat_bytes,
         concat_idents,
-        concat_macro,
         conservative_impl_trait,
         console,
         const_allocate,
@@ -724,7 +717,6 @@ symbols! {
         field,
         field_init_shorthand,
         file,
-        file_macro,
         fill,
         finish,
         flags,
@@ -826,7 +818,6 @@ symbols! {
         include,
         include_bytes,
         include_bytes_macro,
-        include_macro,
         include_str,
         include_str_macro,
         inclusive_range_syntax,
@@ -881,7 +872,6 @@ symbols! {
         lifetimes,
         likely,
         line,
-        line_macro,
         link,
         link_args,
         link_cfg,
@@ -926,7 +916,6 @@ symbols! {
         masked,
         match_beginning_vert,
         match_default_bindings,
-        matches_macro,
         maxnumf32,
         maxnumf64,
         may_dangle,
@@ -965,7 +954,6 @@ symbols! {
         modifiers,
         module,
         module_path,
-        module_path_macro,
         more_qualified_paths,
         more_struct_aliases,
         movbe_target_feature,
@@ -1103,7 +1091,6 @@ symbols! {
         plugins,
         pointee_trait,
         pointer,
-        pointer_trait_fmt,
         poll,
         position,
         post_dash_lto: "post-lto",
@@ -1449,7 +1436,6 @@ symbols! {
         str_trim_start,
         strict_provenance,
         stringify,
-        stringify_macro,
         struct_field_attributes,
         struct_inherit,
         struct_variant,
@@ -1568,7 +1554,6 @@ symbols! {
         unreachable_2015,
         unreachable_2015_macro,
         unreachable_2021,
-        unreachable_2021_macro,
         unreachable_code,
         unreachable_display,
         unreachable_macro,
diff --git a/library/core/src/fmt/mod.rs b/library/core/src/fmt/mod.rs
index c8d28550567..2adc968bd46 100644
--- a/library/core/src/fmt/mod.rs
+++ b/library/core/src/fmt/mod.rs
@@ -1054,7 +1054,6 @@ pub trait UpperHex {
 pub trait Pointer {
     /// Formats the value using the given formatter.
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_diagnostic_item = "pointer_trait_fmt"]
     fn fmt(&self, f: &mut Formatter<'_>) -> Result;
 }
 
diff --git a/library/core/src/macros/mod.rs b/library/core/src/macros/mod.rs
index 32bdc26bc51..34247c05845 100644
--- a/library/core/src/macros/mod.rs
+++ b/library/core/src/macros/mod.rs
@@ -338,7 +338,6 @@ pub macro debug_assert_matches($($arg:tt)*) {
 /// ```
 #[macro_export]
 #[stable(feature = "matches_macro", since = "1.42.0")]
-#[cfg_attr(not(test), rustc_diagnostic_item = "matches_macro")]
 macro_rules! matches {
     ($expression:expr, $(|)? $( $pattern:pat_param )|+ $( if $guard: expr )? $(,)?) => {
         match $expression {
@@ -820,7 +819,6 @@ pub(crate) mod builtin {
     #[stable(feature = "compile_error_macro", since = "1.20.0")]
     #[rustc_builtin_macro]
     #[macro_export]
-    #[cfg_attr(not(test), rustc_diagnostic_item = "compile_error_macro")]
     macro_rules! compile_error {
         ($msg:expr $(,)?) => {{ /* compiler built-in */ }};
     }
@@ -944,7 +942,6 @@ pub(crate) mod builtin {
     #[stable(feature = "rust1", since = "1.0.0")]
     #[rustc_builtin_macro]
     #[macro_export]
-    #[cfg_attr(not(test), rustc_diagnostic_item = "env_macro")]
     macro_rules! env {
         ($name:expr $(,)?) => {{ /* compiler built-in */ }};
         ($name:expr, $error_msg:expr $(,)?) => {{ /* compiler built-in */ }};
@@ -973,7 +970,6 @@ pub(crate) mod builtin {
     #[stable(feature = "rust1", since = "1.0.0")]
     #[rustc_builtin_macro]
     #[macro_export]
-    #[cfg_attr(not(test), rustc_diagnostic_item = "option_env_macro")]
     macro_rules! option_env {
         ($name:expr $(,)?) => {{ /* compiler built-in */ }};
     }
@@ -1058,7 +1054,6 @@ pub(crate) mod builtin {
     #[stable(feature = "rust1", since = "1.0.0")]
     #[rustc_builtin_macro]
     #[macro_export]
-    #[cfg_attr(not(test), rustc_diagnostic_item = "concat_macro")]
     macro_rules! concat {
         ($($e:expr),* $(,)?) => {{ /* compiler built-in */ }};
     }
@@ -1084,7 +1079,6 @@ pub(crate) mod builtin {
     #[stable(feature = "rust1", since = "1.0.0")]
     #[rustc_builtin_macro]
     #[macro_export]
-    #[cfg_attr(not(test), rustc_diagnostic_item = "line_macro")]
     macro_rules! line {
         () => {
             /* compiler built-in */
@@ -1124,7 +1118,6 @@ pub(crate) mod builtin {
     #[stable(feature = "rust1", since = "1.0.0")]
     #[rustc_builtin_macro]
     #[macro_export]
-    #[cfg_attr(not(test), rustc_diagnostic_item = "column_macro")]
     macro_rules! column {
         () => {
             /* compiler built-in */
@@ -1150,7 +1143,6 @@ pub(crate) mod builtin {
     #[stable(feature = "rust1", since = "1.0.0")]
     #[rustc_builtin_macro]
     #[macro_export]
-    #[cfg_attr(not(test), rustc_diagnostic_item = "file_macro")]
     macro_rules! file {
         () => {
             /* compiler built-in */
@@ -1175,7 +1167,6 @@ pub(crate) mod builtin {
     #[stable(feature = "rust1", since = "1.0.0")]
     #[rustc_builtin_macro]
     #[macro_export]
-    #[cfg_attr(not(test), rustc_diagnostic_item = "stringify_macro")]
     macro_rules! stringify {
         ($($t:tt)*) => {
             /* compiler built-in */
@@ -1282,7 +1273,6 @@ pub(crate) mod builtin {
     #[stable(feature = "rust1", since = "1.0.0")]
     #[rustc_builtin_macro]
     #[macro_export]
-    #[cfg_attr(not(test), rustc_diagnostic_item = "module_path_macro")]
     macro_rules! module_path {
         () => {
             /* compiler built-in */
@@ -1316,7 +1306,6 @@ pub(crate) mod builtin {
     #[stable(feature = "rust1", since = "1.0.0")]
     #[rustc_builtin_macro]
     #[macro_export]
-    #[cfg_attr(not(test), rustc_diagnostic_item = "cfg_macro")]
     macro_rules! cfg {
         ($($cfg:tt)*) => {
             /* compiler built-in */
@@ -1367,7 +1356,6 @@ pub(crate) mod builtin {
     #[stable(feature = "rust1", since = "1.0.0")]
     #[rustc_builtin_macro]
     #[macro_export]
-    #[cfg_attr(not(test), rustc_diagnostic_item = "include_macro")]
     macro_rules! include {
         ($file:expr $(,)?) => {{ /* compiler built-in */ }};
     }
diff --git a/library/core/src/ops/function.rs b/library/core/src/ops/function.rs
index 11b43b621c7..2bcc9779ec7 100644
--- a/library/core/src/ops/function.rs
+++ b/library/core/src/ops/function.rs
@@ -57,7 +57,6 @@ use crate::marker::Tuple;
 #[cfg(bootstrap)]
 #[lang = "fn"]
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_diagnostic_item = "Fn"]
 #[rustc_paren_sugar]
 #[rustc_on_unimplemented(
     on(
@@ -137,7 +136,6 @@ pub trait Fn<Args>: FnMut<Args> {
 #[cfg(not(bootstrap))]
 #[lang = "fn"]
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_diagnostic_item = "Fn"]
 #[rustc_paren_sugar]
 #[rustc_on_unimplemented(
     on(
@@ -226,7 +224,6 @@ pub trait Fn<Args: Tuple>: FnMut<Args> {
 #[cfg(bootstrap)]
 #[lang = "fn_mut"]
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_diagnostic_item = "FnMut"]
 #[rustc_paren_sugar]
 #[rustc_on_unimplemented(
     on(
@@ -314,7 +311,6 @@ pub trait FnMut<Args>: FnOnce<Args> {
 #[cfg(not(bootstrap))]
 #[lang = "fn_mut"]
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_diagnostic_item = "FnMut"]
 #[rustc_paren_sugar]
 #[rustc_on_unimplemented(
     on(
@@ -395,7 +391,6 @@ pub trait FnMut<Args: Tuple>: FnOnce<Args> {
 #[cfg(bootstrap)]
 #[lang = "fn_once"]
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_diagnostic_item = "FnOnce"]
 #[rustc_paren_sugar]
 #[rustc_on_unimplemented(
     on(
@@ -480,7 +475,6 @@ pub trait FnOnce<Args> {
 #[cfg(not(bootstrap))]
 #[lang = "fn_once"]
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_diagnostic_item = "FnOnce"]
 #[rustc_paren_sugar]
 #[rustc_on_unimplemented(
     on(
diff --git a/library/core/src/panic.rs b/library/core/src/panic.rs
index 00b63dfbd06..959bdea7dba 100644
--- a/library/core/src/panic.rs
+++ b/library/core/src/panic.rs
@@ -43,7 +43,6 @@ pub macro panic_2015 {
 #[doc(hidden)]
 #[unstable(feature = "edition_panic", issue = "none", reason = "use panic!() instead")]
 #[allow_internal_unstable(core_panic, const_format_args)]
-#[rustc_diagnostic_item = "core_panic_2021_macro"]
 #[rustc_macro_transparency = "semitransparent"]
 pub macro panic_2021 {
     () => (
@@ -80,7 +79,6 @@ pub macro unreachable_2015 {
 #[doc(hidden)]
 #[unstable(feature = "edition_panic", issue = "none", reason = "use unreachable!() instead")]
 #[allow_internal_unstable(core_panic)]
-#[rustc_diagnostic_item = "unreachable_2021_macro"]
 #[rustc_macro_transparency = "semitransparent"]
 pub macro unreachable_2021 {
     () => (
diff --git a/library/std/src/net/ip_addr.rs b/library/std/src/net/ip_addr.rs
index 4f14fc28038..5453853e138 100644
--- a/library/std/src/net/ip_addr.rs
+++ b/library/std/src/net/ip_addr.rs
@@ -73,7 +73,6 @@ pub enum IpAddr {
 /// assert!("0xcb.0x0.0x71.0x00".parse::<Ipv4Addr>().is_err()); // all octets are in hex
 /// ```
 #[derive(Copy, Clone, PartialEq, Eq, Hash)]
-#[cfg_attr(not(test), rustc_diagnostic_item = "Ipv4Addr")]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct Ipv4Addr {
     octets: [u8; 4],
@@ -156,7 +155,6 @@ pub struct Ipv4Addr {
 /// assert_eq!(localhost.is_loopback(), true);
 /// ```
 #[derive(Copy, Clone, PartialEq, Eq, Hash)]
-#[cfg_attr(not(test), rustc_diagnostic_item = "Ipv6Addr")]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct Ipv6Addr {
     octets: [u8; 16],