Ignore automatically derived impls of `Clone` and `Debug` in dead code analysis

5 files changed, 4 insertions, 4 deletions

diff --git a/library/core/src/clone.rs b/library/core/src/clone.rs
index 19faf9cddac..b02333b0288 100644
--- a/library/core/src/clone.rs
+++ b/library/core/src/clone.rs
@@ -105,6 +105,7 @@
 #[stable(feature = "rust1", since = "1.0.0")]
 #[lang = "clone"]
 #[rustc_diagnostic_item = "Clone"]
+#[cfg_attr(not(bootstrap), rustc_trivial_field_reads)]
 pub trait Clone: Sized {
     /// Returns a copy of the value.
     ///
diff --git a/library/core/src/fmt/mod.rs b/library/core/src/fmt/mod.rs
index 0a29843c9cf..166a8e3f28a 100644
--- a/library/core/src/fmt/mod.rs
+++ b/library/core/src/fmt/mod.rs
@@ -582,6 +582,7 @@ impl Display for Arguments<'_> {
 )]
 #[doc(alias = "{:?}")]
 #[rustc_diagnostic_item = "debug_trait"]
+#[cfg_attr(not(bootstrap), rustc_trivial_field_reads)]
 pub trait Debug {
     /// Formats the value using the given formatter.
     ///
diff --git a/library/core/tests/fmt/builders.rs b/library/core/tests/fmt/builders.rs
index 7580010a28b..9567479c813 100644
--- a/library/core/tests/fmt/builders.rs
+++ b/library/core/tests/fmt/builders.rs
@@ -653,6 +653,7 @@ mod debug_list {
 fn test_formatting_parameters_are_forwarded() {
     use std::collections::{BTreeMap, BTreeSet};
     #[derive(Debug)]
+    #[allow(dead_code)]
     struct Foo {
         bar: u32,
         baz: u32,
diff --git a/library/std/src/io/buffered/tests.rs b/library/std/src/io/buffered/tests.rs
index f6c2b499567..d290c3c4660 100644
--- a/library/std/src/io/buffered/tests.rs
+++ b/library/std/src/io/buffered/tests.rs
@@ -468,9 +468,6 @@ struct ProgrammableSink {
     // Writes append to this slice
     pub buffer: Vec<u8>,
 
-    // Flush sets this flag
-    pub flushed: bool,
-
     // If true, writes will always be an error
     pub always_write_error: bool,
 
@@ -520,7 +517,6 @@ impl Write for ProgrammableSink {
         if self.always_flush_error {
             Err(io::Error::new(io::ErrorKind::Other, "test - always_flush_error"))
         } else {
-            self.flushed = true;
             Ok(())
         }
     }
diff --git a/library/test/src/term/terminfo/mod.rs b/library/test/src/term/terminfo/mod.rs
index f4c5a05d1e2..694473f52c1 100644
--- a/library/test/src/term/terminfo/mod.rs
+++ b/library/test/src/term/terminfo/mod.rs
@@ -16,6 +16,7 @@ use parser::compiled::{msys_terminfo, parse};
 use searcher::get_dbpath_for_term;
 
 /// A parsed terminfo database entry.
+#[allow(unused)]
 #[derive(Debug)]
 pub(crate) struct TermInfo {
     /// Names for the terminal