diff --git a/Zend/tests/include_repeat.inc b/Zend/tests/include_repeat.inc
new file mode 100644
index 0000000000000..b729328ab1e09
--- /dev/null
+++ b/Zend/tests/include_repeat.inc
@@ -0,0 +1,6 @@
+<?php
+
+if (!class_exists(Test::class)) {
+    class Test {
+    }
+}
diff --git a/Zend/tests/include_repeat.phpt b/Zend/tests/include_repeat.phpt
new file mode 100644
index 0000000000000..7150623168af6
--- /dev/null
+++ b/Zend/tests/include_repeat.phpt
@@ -0,0 +1,23 @@
+--TEST--
+Repeated include must not increase memory
+--FILE--
+<?php
+
+$m = -1;
+$mDiff = -1;
+$mPrev = 0;
+for ($i = 0; $i < 10 * 1000; $i++) {
+    require __DIR__ . '/include_repeat.inc';
+    $m = memory_get_usage();
+    $mDiff = $m - $mPrev;
+    if ($mPrev !== 0 && $mDiff !== 0) {
+        echo 'Increased memory detected: ' . $mDiff . ' B (' . $i . ' iteration)' . "\n";
+        exit(1);
+    }
+    $mPrev = $m;
+}
+echo 'done';
+
+?>
+--EXPECT--
+done