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Do not introduce bindings for types and consts in HRTB.

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This commit is contained in:
Camille GILLOT 2022-06-09 21:30:18 +02:00
parent 7fe2c4b00d
commit 4d871a25bf
3 changed files with 27 additions and 1 deletions
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7
compiler/rustc_resolve/src/late.rs
View file

@ -1981,7 +1981,12 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> {
continue;
}
};
let res = Res::Def(def_kind, def_id.to_def_id());
let res = match kind {
ItemRibKind(..) | AssocItemRibKind => Res::Def(def_kind, def_id.to_def_id()),
NormalRibKind => Res::Err,
_ => bug!("Unexpected rib kind {:?}", kind),
};
self.r.record_partial_res(param.id, PartialRes::new(res));
rib.bindings.insert(ident, res);
}

7
src/test/ui/higher-rank-trait-bounds/hrtb-wrong-kind.rs Normal file
View file

@ -0,0 +1,7 @@
fn a() where for<T> T: Copy {}
//~^ ERROR only lifetime parameters can be used in this context
fn b() where for<const C: usize> [(); C]: Copy {}
//~^ ERROR only lifetime parameters can be used in this context
fn main() {}

14
src/test/ui/higher-rank-trait-bounds/hrtb-wrong-kind.stderr Normal file
View file

@ -0,0 +1,14 @@
error: only lifetime parameters can be used in this context
--> $DIR/hrtb-wrong-kind.rs:1:18
|
LL | fn a() where for<T> T: Copy {}
| ^
error: only lifetime parameters can be used in this context
--> $DIR/hrtb-wrong-kind.rs:4:24
|
LL | fn b() where for<const C: usize> [(); C]: Copy {}
| ^
error: aborting due to 2 previous errors