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Rename a loop variable.

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We normally use `index` for indices to `ObligationForest::nodes`, but
this is a `Nodes::dependents` index.
This commit is contained in:
Nicholas Nethercote 2019-09-20 11:26:07 +10:00
parent 8d73faf9ab
commit 75fd4f754e
1 changed files with 7 additions and 7 deletions
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14
src/librustc_data_structures/obligation_forest/mod.rs
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@ -698,18 +698,18 @@ impl<O: ForestObligation> ObligationForest<O> {
let nodes_len = node_rewrites.len();
for node in &mut self.nodes {
let mut index = 0;
while index < node.dependents.len() {
let new_index = node_rewrites[node.dependents[index]];
let mut i = 0;
while i < node.dependents.len() {
let new_index = node_rewrites[node.dependents[i]];
if new_index >= nodes_len {
node.dependents.swap_remove(index);
if index == 0 && node.has_parent {
node.dependents.swap_remove(i);
if i == 0 && node.has_parent {
// We just removed the parent.
node.has_parent = false;
}
} else {
node.dependents[index] = new_index;
index += 1;
node.dependents[i] = new_index;
i += 1;
}
}
}