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diff --git a/web/modules/contrib/drupalmoduleupgrader/src/Plugin/DMU/Converter/Functions/DrupalMapAssoc.php b/web/modules/contrib/drupalmoduleupgrader/src/Plugin/DMU/Converter/Functions/DrupalMapAssoc.php
new file mode 100644
index 000000000..157ba986a
--- /dev/null
+++ b/web/modules/contrib/drupalmoduleupgrader/src/Plugin/DMU/Converter/Functions/DrupalMapAssoc.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace Drupal\drupalmoduleupgrader\Plugin\DMU\Converter\Functions;
+
+use Drupal\drupalmoduleupgrader\TargetInterface;
+use Pharborist\Functions\FunctionCallNode;
+
+/**
+ * @Converter(
+ *  id = "drupal_map_assoc",
+ *  description = @Translation("Rewrites calls to drupal_map_assoc().")
+ * )
+ */
+class DrupalMapAssoc extends FunctionCallModifier {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function rewrite(FunctionCallNode $call, TargetInterface $target) {
+    // Change function name to array_combine().
+    $call->setName('array_combine');
+
+    // Duplicate the first $array argument twice (silly, but true).
+    // Need to clone the argument to make a copy of it, since Pharborist works
+    // on original tree elements.
+    $arguments = $call->getArguments();
+    return $call->appendArgument(clone $arguments[0]);
+  }
+
+}