add testcase for bug #29446

tests/classes/bug29446.phpt

@@ -0,0 +1,19 @@
+--TEST--
+Bug #29446 (ZE allows multiple declarations of the same class constant)
+--FILE--
+<?php
+
+class testClass {
+  const TEST_CONST = 'test';
+  const TEST_CONST = 'test1';
+  
+  function testClass() {
+    echo self::TEST_CONST;
+  }
+}
+
+$test = new testClass;
+
+?>
+--EXPECTF--
+Fatal error: Cannot redefine class constant testClass::TEST_CONST in %s on line 5