Test deprecated class constants as part of constant expressions

Author: TimWolla

Zend/tests/attributes/deprecated/class_constants/007.phpt

@@ -0,0 +1,23 @@
+--TEST--
+#[\Deprecated]: Using the value of a deprecated class constant in a constant expression.
+--FILE--
+<?php
+
+class Clazz {
+    #[\Deprecated("prefix")]
+    public const PREFIX = "prefix";
+
+    #[\Deprecated("suffix")]
+    public const SUFFIX = "suffix";
+
+    public const CONSTANT = self::PREFIX . self::SUFFIX;
+}
+
+var_dump(Clazz::CONSTANT);
+
+?>
+--EXPECTF--
+Deprecated: Constant Clazz::PREFIX is deprecated, prefix in %s on line %d
+
+Deprecated: Constant Clazz::SUFFIX is deprecated, suffix in %s on line %d
+string(12) "prefixsuffix"