diff --git a/ext/gd/tests/bug71952.phpt b/ext/gd/tests/bug71952.phpt
new file mode 100644
index 00000000000..f1f66bf26d0
--- /dev/null
+++ b/ext/gd/tests/bug71952.phpt
@@ -0,0 +1,14 @@
+--TEST--
+Bug #71952 (Corruption inside imageaffinematrixget)
+--SKIPIF--
+<?php
+	if(!extension_loaded('gd')){ die('skip gd extension not available'); }
+?>
+--FILE--
+<?php
+$vals=[str_repeat("A","200"),0,1,2,3,4,5,6,7,8,9];
+imageaffinematrixget(4,$vals[0]);
+var_dump($vals[0]);
+?>
+--EXPECTF--
+string(200) "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
\ No newline at end of file