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fix: set local_module before elaborating each trait #6506

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Nov 12, 2024
Merged

fix: set local_module before elaborating each trait #6506

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2 changes: 2 additions & 0 deletions compiler/noirc_frontend/src/elaborator/traits.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,8 @@ use super::Elaborator;
impl<'context> Elaborator<'context> {
pub fn collect_traits(&mut self, traits: &BTreeMap<TraitId, UnresolvedTrait>) {
for (trait_id, unresolved_trait) in traits {
self.local_module = unresolved_trait.module_id;

self.recover_generics(|this| {
this.current_trait = Some(*trait_id);

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20 changes: 20 additions & 0 deletions compiler/noirc_frontend/src/tests/unused_items.rs
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Expand Up @@ -294,3 +294,23 @@ fn no_warning_on_self_in_trait_impl() {
"#;
assert_no_errors(src);
}

#[test]
fn resolves_trait_where_clause_in_the_correct_module() {
// This is a regression test for https://github.com/noir-lang/noir/issues/6479
let src = r#"
mod foo {
pub trait Foo {}
}

use foo::Foo;

pub trait Bar<T>
where
T: Foo,
{}

fn main() {}
"#;
assert_no_errors(src);
}
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