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Disallows #![feature(no_coverage)] on stable and beta

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using allow_internal_unstable (as recommended)

Fixes: #84836

```shell
$ ./build/x86_64-unknown-linux-gnu/stage1/bin/rustc     src/test/run-make-fulldeps/coverage/no_cov_crate.rs
error[E0554]: `#![feature]` may not be used on the dev release channel
 --> src/test/run-make-fulldeps/coverage/no_cov_crate.rs:2:1
  |
2 | #![feature(no_coverage)]
  | ^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to previous error

For more information about this error, try `rustc --explain E0554`.
```
This commit is contained in:
Rich Kadel 2021-05-03 08:47:43 -07:00
parent 603a42ec54
commit 3584c1dd0c
9 changed files with 18 additions and 91 deletions
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8
compiler/rustc_feature/src/builtin_attrs.rs
View file

@ -273,13 +273,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
template!(List: "address, memory, thread"),
experimental!(no_sanitize)
),
ungated!(
// Not exclusively gated at the crate level (though crate-level is
// supported). The feature can alternatively be enabled on individual
// functions.
no_coverage, AssumedUsed,
template!(Word),
),
gated!(no_coverage, AssumedUsed, template!(Word), experimental!(no_coverage)),
// FIXME: #14408 assume docs are used since rustdoc looks at them.
ungated!(doc, AssumedUsed, template!(List: "hidden|inline|...", NameValueStr: "string")),