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Auto merge of #108955 - Nilstrieb:dont-use-me-pls, r=oli-obk

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Add `internal_features` lint

Implements https://github.com/rust-lang/compiler-team/issues/596

Also requires some more test blessing for codegen tests etc

`@jyn514` had the idea of just `allow`ing the lint by default in the test suite. I'm not sure whether this is a good idea, but it's definitely one worth considering. Additional input encouraged.
This commit is contained in:
bors 2023-08-03 22:58:02 +00:00
commit 1fe384649a
68 changed files with 209 additions and 49 deletions
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13
compiler/rustc_lint/src/lints.rs
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@ -405,18 +405,27 @@ pub struct BuiltinExplicitOutlivesSuggestion {
pub struct BuiltinIncompleteFeatures {
pub name: Symbol,
#[subdiagnostic]
pub note: Option<BuiltinIncompleteFeaturesNote>,
pub note: Option<BuiltinFeatureIssueNote>,
#[subdiagnostic]
pub help: Option<BuiltinIncompleteFeaturesHelp>,
}
#[derive(LintDiagnostic)]
#[diag(lint_builtin_internal_features)]
#[note]
pub struct BuiltinInternalFeatures {
pub name: Symbol,
#[subdiagnostic]
pub note: Option<BuiltinFeatureIssueNote>,
}
#[derive(Subdiagnostic)]
#[help(lint_help)]
pub struct BuiltinIncompleteFeaturesHelp;
#[derive(Subdiagnostic)]
#[note(lint_note)]
pub struct BuiltinIncompleteFeaturesNote {
pub struct BuiltinFeatureIssueNote {
pub n: NonZeroU32,
}