Auto merge of #88824 - Manishearth:rollup-7bzk9h6, r=Manishearth

Rollup of 15 pull requests

Successful merges:

 - #85200 (Ignore derived Clone and Debug implementations during dead code analysis)
 - #86165 (Add proc_macro::Span::{before, after}.)
 - #87088 (Fix stray notes when the source code is not available)
 - #87441 (Emit suggestion when passing byte literal to format macro)
 - #88546 (Emit proper errors when on missing closure braces)
 - #88578 (fix(rustc): suggest `items` be borrowed in `for i in items[x..]`)
 - #88632 (Fix issues with Markdown summary options)
 - #88639 (rustdoc: Fix ICE with `doc(hidden)` on tuple variant fields)
 - #88667 (Tweak `write_fmt` doc.)
 - #88720 (Rustdoc coverage fields count)
 - #88732 (RustWrapper: avoid deleted unclear attribute methods)
 - #88742 (Fix table in docblocks)
 - #88776 (Workaround blink/chromium grid layout limitation of 1000 rows)
 - #88807 (Fix typo in docs for iterators)
 - #88812 (Fix typo `option` -> `options`.)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

5 files changed, 3 insertions, 5 deletions

diff --git a/compiler/rustc_feature/src/accepted.rs b/compiler/rustc_feature/src/accepted.rs
index 725f8b8763a..61e27d2e4cd 100644
--- a/compiler/rustc_feature/src/accepted.rs
+++ b/compiler/rustc_feature/src/accepted.rs
@@ -16,7 +16,6 @@ macro_rules! declare_features {
                     since: $ver,
                     issue: to_nonzero($issue),
                     edition: None,
-                    description: concat!($($doc,)*),
                 }
             ),+
         ];
diff --git a/compiler/rustc_feature/src/active.rs b/compiler/rustc_feature/src/active.rs
index a3807a2bb9f..366ed715434 100644
--- a/compiler/rustc_feature/src/active.rs
+++ b/compiler/rustc_feature/src/active.rs
@@ -37,7 +37,6 @@ macro_rules! declare_features {
                     since: $ver,
                     issue: to_nonzero($issue),
                     edition: $edition,
-                    description: concat!($($doc,)*),
                 }
             ),+];
 
diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs
index e2aa54a59b2..f74ea0e0c4d 100644
--- a/compiler/rustc_feature/src/builtin_attrs.rs
+++ b/compiler/rustc_feature/src/builtin_attrs.rs
@@ -453,6 +453,9 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
     ),
     // Enumerates "identity-like" conversion methods to suggest on type mismatch.
     rustc_attr!(rustc_conversion_suggestion, Normal, template!(Word), INTERNAL_UNSTABLE),
+    // Prevents field reads in the marked trait or method to be considered
+    // during dead code analysis.
+    rustc_attr!(rustc_trivial_field_reads, Normal, template!(Word), INTERNAL_UNSTABLE),
 
     // ==========================================================================
     // Internal attributes, Const related:
diff --git a/compiler/rustc_feature/src/lib.rs b/compiler/rustc_feature/src/lib.rs
index cf102aa16e0..b25aab21e49 100644
--- a/compiler/rustc_feature/src/lib.rs
+++ b/compiler/rustc_feature/src/lib.rs
@@ -51,7 +51,6 @@ pub struct Feature {
     pub since: &'static str,
     issue: Option<NonZeroU32>,
     pub edition: Option<Edition>,
-    description: &'static str,
 }
 
 #[derive(Copy, Clone, Debug)]
diff --git a/compiler/rustc_feature/src/removed.rs b/compiler/rustc_feature/src/removed.rs
index efab0200ff5..7b9b68268ea 100644
--- a/compiler/rustc_feature/src/removed.rs
+++ b/compiler/rustc_feature/src/removed.rs
@@ -16,7 +16,6 @@ macro_rules! declare_features {
                     since: $ver,
                     issue: to_nonzero($issue),
                     edition: None,
-                    description: concat!($($doc,)*),
                 }
             ),+
         ];
@@ -34,7 +33,6 @@ macro_rules! declare_features {
                     since: $ver,
                     issue: to_nonzero($issue),
                     edition: None,
-                    description: concat!($($doc,)*),
                 }
             ),+
         ];