--- /dev/null
+--TEST--
+Testing throw exception doesn't crash with wrong params, variant 3
+--FILE--
+<?php
+
+class Hello extends Error {}
+throw new Hello(new stdClass);
+
+?>
+--EXPECTF--
+Fatal error: Uncaught Error: Wrong parameters for Hello([string $message [, long $code [, Throwable $previous = NULL]]]) in %sexception_021.php:%d
+Stack trace:
+#0 %sexception_021.php(%d): Error->__construct(Object(stdClass))
+#1 {main}
+ thrown in %sexception_021.php on line %d
--- /dev/null
+--TEST--
+Testing throw exception doesn't crash with wrong params, variant 4
+--FILE--
+<?php
+
+throw new Error(new stdClass);
+
+?>
+--EXPECTF--
+Fatal error: Uncaught Error: Wrong parameters for Error([string $message [, long $code [, Throwable $previous = NULL]]]) in %sexception_022.php:%d
+Stack trace:
+#0 %sexception_022.php(%d): Error->__construct(Object(stdClass))
+#1 {main}
+ thrown in %sexception_022.php on line %d