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Use already resolved self_ty in confirm_fn_pointer_candidate

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This commit is contained in:
Michael Goulet 2022-09-27 20:00:24 +00:00
parent 57ee5cf5a9
commit e5776c6903
2 changed files with 56 additions and 1 deletions
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3
compiler/rustc_trait_selection/src/traits/select/confirmation.rs
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@ -626,7 +626,8 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
// the signature, as evidenced by how we treat it during projection.
// The safe thing to do here is to liberate it, though, which should
// have no worse effect than skipping the binder here.
let liberated_fn_ty = self.infcx.replace_bound_vars_with_placeholders(obligation.self_ty());
let liberated_fn_ty =
self.infcx.replace_bound_vars_with_placeholders(obligation.predicate.rebind(self_ty));
let output_ty = self
.infcx
.replace_bound_vars_with_placeholders(liberated_fn_ty.fn_sig(self.tcx()).output());