Rename the feature, but not the attribute, to coverage_attribute

compiler/rustc_builtin_macros/src/test_harness.rs

@@ -254,7 +254,7 @@ fn generate_test_harness(
     let expn_id = ext_cx.resolver.expansion_for_ast_pass(
         DUMMY_SP,
         AstPass::TestHarness,
-        &[sym::test, sym::rustc_attrs, sym::coverage],
+        &[sym::test, sym::rustc_attrs, sym::coverage_attribute],
         None,
     );
     let def_site = DUMMY_SP.with_def_site_ctxt(expn_id.to_expn_id());

compiler/rustc_feature/src/active.rs

@@ -400,7 +400,7 @@ declare_features! (
     (active, const_try, "1.56.0", Some(74935), None),
     /// Allows function attribute `#[coverage(on/off)]`, to control coverage
     /// instrumentation of that function.
-    (active, coverage, "CURRENT_RUSTC_VERSION", Some(84605), None),
+    (active, coverage_attribute, "CURRENT_RUSTC_VERSION", Some(84605), None),
     /// Allows non-builtin attributes in inner attribute position.
     (active, custom_inner_attributes, "1.30.0", Some(54726), None),
     /// Allows custom test frameworks with `#![test_runner]` and `#[test_case]`.

compiler/rustc_feature/src/builtin_attrs.rs

@@ -395,7 +395,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
         template!(List: "address, kcfi, memory, thread"), DuplicatesOk,
         experimental!(no_sanitize)
     ),
-    gated!(coverage, Normal, template!(Word, List: "on|off"), WarnFollowing, experimental!(coverage)),
+    gated!(coverage, Normal, template!(Word, List: "on|off"), WarnFollowing, coverage_attribute, experimental!(coverage)),
 
     ungated!(
         doc, Normal, template!(List: "hidden|inline|...", NameValueStr: "string"), DuplicatesOk

compiler/rustc_span/src/symbol.rs

@@ -574,6 +574,7 @@ symbols! {
         cosf64,
         count,
         coverage,
+        coverage_attribute,
         cr,
         crate_id,
         crate_in_paths,

library/core/src/cmp.rs

@@ -301,7 +301,7 @@ pub trait Eq: PartialEq<Self> {
 #[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
 #[allow_internal_unstable(core_intrinsics, derive_eq, structural_match)]
 #[cfg_attr(bootstrap, allow_internal_unstable(no_coverage))]
-#[cfg_attr(not(bootstrap), allow_internal_unstable(coverage))]
+#[cfg_attr(not(bootstrap), allow_internal_unstable(coverage_attribute))]
 pub macro Eq($item:item) {
     /* compiler built-in */
 }

library/core/src/lib.rs

@@ -111,7 +111,7 @@
 // Library features:
 // tidy-alphabetical-start
 #![cfg_attr(bootstrap, feature(no_coverage))] // rust-lang/rust#84605
-#![cfg_attr(not(bootstrap), feature(coverage))] // rust-lang/rust#84605
+#![cfg_attr(not(bootstrap), feature(coverage_attribute))] // rust-lang/rust#84605
 #![feature(char_indices_offset)]
 #![feature(const_align_of_val)]
 #![feature(const_align_of_val_raw)]

src/doc/unstable-book/src/language-features/coverage-attribute.md

@@ -1,4 +1,4 @@
-# `coverage`
+# `coverage_attribute`
 
 The tracking issue for this feature is: [#84605]
 
@@ -16,7 +16,7 @@ instrumentation in an annotated function. This might be useful to:
 ## Example
 
 ```rust
-#![feature(coverage)]
+#![feature(coverage_attribute)]
 
 // `foo()` will get coverage instrumentation (by default)
 fn foo() {

tests/ui/feature-gates/feature-gate-coverage-attribute.stderr

@@ -1,5 +1,5 @@
 error[E0557]: feature has been removed
-  --> $DIR/feature-gate-coverage.rs:2:12
+  --> $DIR/feature-gate-coverage-attribute.rs:2:12
    |
 LL | #![feature(no_coverage)]
    |            ^^^^^^^^^^^ feature has been removed
@@ -7,13 +7,13 @@ LL | #![feature(no_coverage)]
    = note: renamed to `coverage`
 
 error[E0658]: the `#[coverage]` attribute is an experimental feature
-  --> $DIR/feature-gate-coverage.rs:10:1
+  --> $DIR/feature-gate-coverage-attribute.rs:10:1
    |
 LL | #[coverage(off)]
    | ^^^^^^^^^^^^^^^^
    |
    = note: see issue #84605 <https://github.com/rust-lang/rust/issues/84605> for more information
-   = help: add `#![feature(coverage)]` to the crate attributes to enable
+   = help: add `#![feature(coverage_attribute)]` to the crate attributes to enable
 
 error: aborting due to 2 previous errors
 

tests/ui/lint/no-coverage.rs

@@ -1,5 +1,5 @@
 #![feature(extern_types)]
-#![feature(coverage)]
+#![feature(coverage_attribute)]
 #![feature(impl_trait_in_assoc_type)]
 #![warn(unused_attributes)]
 #![coverage(off)]