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Avoid cloning undefined array index

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Oliver Hader 2022-07-20 21:36:49 +02:00
parent ac315fb0a3
commit 6c5e5f77fa
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1 changed files with 1 additions and 1 deletions
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src/Psalm/Type/Reconciler.php
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@ -124,7 +124,7 @@ class Reconciler
$cloned_referenceds = [];
foreach ($existing_references as $reference => $referenced) {
if (!isset($cloned_referenceds[$referenced])) {
if (!isset($cloned_referenceds[$referenced]) && isset($old_existing_types[$referenced])) {
$existing_types[$referenced] = clone $old_existing_types[$referenced];
$cloned_referenceds[$referenced] = true;
}