bjoernager/rust
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Track bound types like bound regions

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This commit is contained in:
Michael Goulet 2023-01-17 03:27:48 +00:00
parent a322848c6b
commit 0e98a162c8
13 changed files with 52 additions and 38 deletions
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2
compiler/rustc_trait_selection/src/traits/project.rs
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@ -783,7 +783,7 @@ impl<'tcx> TypeFolder<'tcx> for BoundVarReplacer<'_, 'tcx> {
}
ty::Bound(debruijn, bound_ty) if debruijn >= self.current_index => {
let universe = self.universe_for(debruijn);
let p = ty::PlaceholderType { universe, name: bound_ty.var };
let p = ty::PlaceholderType { universe, name: bound_ty.kind };
self.mapped_types.insert(p, bound_ty);
self.infcx.tcx.mk_ty(ty::Placeholder(p))
}