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Remove unused part of return value from replace_bound_vars_with_placeholders

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This commit is contained in:
Matthew Jasper 2020-06-28 20:27:59 +01:00
parent 1b07991574
commit d4d9e7f67f
5 changed files with 12 additions and 20 deletions
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2
compiler/rustc_trait_selection/src/traits/project.rs
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@ -167,7 +167,7 @@ pub(super) fn poly_project_and_unify_type<'cx, 'tcx>(
let infcx = selcx.infcx();
infcx.commit_if_ok(|_snapshot| {
let (placeholder_predicate, _) =
let placeholder_predicate =
infcx.replace_bound_vars_with_placeholders(&obligation.predicate);
let placeholder_obligation = obligation.with(placeholder_predicate);