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-rw-r--r--Zend/tests/gc_039.phpt15
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diff --git a/Zend/tests/gc_039.phpt b/Zend/tests/gc_039.phpt
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+--TEST--
+GC 039: Garbage created by replacing argument send by reference
+--SKIPIF--
+<?php extension_loaded('mbstring') or die('skip mbstring not available'); ?>
+--INI--
+zend.enable_gc = 1
+--FILE--
+<?php
+$out = new stdClass;
+$out->x = $out;
+mb_parse_str("a=b", $out);
+var_dump(gc_collect_cycles());
+?>
+--EXPECT--
+int(1)