Added test

ext/opcache/tests/preload.inc

@@ -0,0 +1,8 @@
+<?php
+function f1() {
+}
+
+if (isset($rt)) {
+	function f2() {
+	}
+}

ext/opcache/tests/preload_001.phpt

@@ -0,0 +1,24 @@
+--TEST--
+Preloading basic test
+--INI--
+opcache.enable=1
+opcache.enable_cli=1
+opcache.optimization_level=-1
+opcache.preload={PWD}/preload.inc
+--SKIPIF--
+<?php require_once('skipif.inc'); ?>
+--FILE--
+<?php
+var_dump(function_exists("f1"));
+var_dump(function_exists("f2"));
+
+$rt = true;
+include(__DIR__ . "/preload.inc");
+var_dump(function_exists("f2"));
+?>
+OK
+--EXPECTF--
+bool(true)
+bool(false)
+bool(true)
+OK