add test for bug #71625, 7 variant

ext/phar/tests/bug71625.phpt

@@ -0,0 +1,25 @@
+--TEST--
+Phar - Bug #71625 - Crash in php7.dll
+--INI--
+phar.readonly=0
+--SKIPIF--
+<?php 
+
+if (!extension_loaded("phar") || !extension_loaded("zlib")) die("skip");
+if(substr(PHP_OS, 0, 3) != 'WIN' ) {
+    die('skip windows only test');
+}
+
+?>
+--FILE--
+<?php
+$phar = new Phar("A:A:.phar");
+$phar["hello_habr.txt"] = '<? Hello Habr!?>';
+?>
+DONE
+--EXPECTF--
+Fatal error: Uncaught UnexpectedValueException: Cannot create phar 'A:A:.phar', file extension (or combination) not recognised or the directory does not exist in %sbug71625.php:%d
+Stack trace:
+#0 %sbug71625.php(%d): Phar->__construct('A:A:.phar')
+#1 {main}
+  thrown in %sbug71625.php on line %d