bjoernager/rust
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And additionally enforce ? and async/const aren't mixed

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This commit is contained in:
Michael Goulet 2024-07-10 18:06:44 -04:00
parent 898ed2ffa6
commit de88bc5c89
10 changed files with 120 additions and 44 deletions
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11
compiler/rustc_ast_passes/src/ast_validation.rs
View file

@ -1435,17 +1435,6 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
};
self.dcx().emit_err(errors::TildeConstDisallowed { span, reason });
}
(
_,
BoundConstness::Always(_) | BoundConstness::Maybe(_),
BoundPolarity::Negative(_) | BoundPolarity::Maybe(_),
) => {
self.dcx().emit_err(errors::IncompatibleTraitBoundModifiers {
span: bound.span(),
left: modifiers.constness.as_str(),
right: modifiers.polarity.as_str(),
});
}
_ => {}
}

9
compiler/rustc_ast_passes/src/errors.rs
View file

@ -657,15 +657,6 @@ pub enum TildeConstReason {
Item,
}
#[derive(Diagnostic)]
#[diag(ast_passes_incompatible_trait_bound_modifiers)]
pub struct IncompatibleTraitBoundModifiers {
#[primary_span]
pub span: Span,
pub left: &'static str,
pub right: &'static str,
}
#[derive(Diagnostic)]
#[diag(ast_passes_const_and_async)]
pub struct ConstAndAsync {