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Small improvements in lexical_region_resolve #68026

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merged 1 commit into from
Jan 9, 2020
Merged

Small improvements in lexical_region_resolve #68026

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8 changes: 2 additions & 6 deletions src/librustc/infer/lexical_region_resolve/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -204,9 +204,7 @@ impl<'cx, 'tcx> LexicalResolver<'cx, 'tcx> {
// want to stop at the first constraint that makes a change.
let mut any_changed = false;
for member_constraint in &self.data.member_constraints {
if self.enforce_member_constraint(graph, member_constraint, var_values) {
any_changed = true;
}
any_changed |= self.enforce_member_constraint(graph, member_constraint, var_values);
}
any_changed
}
Expand Down Expand Up @@ -337,9 +335,7 @@ impl<'cx, 'tcx> LexicalResolver<'cx, 'tcx> {
for index in live_indices.iter() {
let constraint = constraints[index];
let (edge_changed, retain) = process_constraint(constraint);
if edge_changed {
changed = true;
}
changed |= edge_changed;
if !retain {
let changed = killed_indices.insert(index);
debug_assert!(changed);
Expand Down