Added test for bug #74596

Author: laruence

ext/opcache/tests/bug74596.phpt

@@ -0,0 +1,55 @@
+--TEST--
+Bug #74596 (SIGSEGV with opcache.revalidate_path enabled)
+--INI--
+opcache.enable=1
+opcache.enable_cli=1
+opcache.file_update_protection=0
+opcache.validate_timestamps=0
+opcache.file_cache_only=0
+opcache.revalidate_path=1
+--SKIPIF--
+<?php require_once('skipif.inc'); ?>
+--FILE--
+<?php
+
+file_put_contents(__DIR__ . "/bug74596_1.php", <<<CODE
+<?php
+class A {
+	public function __construct() {
+		\$a = true;
+		if (\$a) {
+			echo 1 + 2;
+		} else {
+			echo 2 + 3;
+		}
+	}
+}
+?>
+CODE
+);
+
+file_put_contents(__DIR__ . "/bug74596_2.php", "ok\n");
+
+class ufilter extends php_user_filter
+{
+	function filter($in, $out, &$consumed, $closing)
+	{
+		include_once __DIR__ . "/bug74596_1.php";
+		while ($bucket = stream_bucket_make_writeable($in)) {
+			stream_bucket_append($out, $bucket);
+		}
+		return PSFS_PASS_ON;
+	}
+}
+
+stream_filter_register("ufilter", "ufilter");
+
+include "php://filter/read=ufilter/resource=" . __DIR__ . "/bug74596_2.php";
+?>
+--CLEAN--
+<?php
+unlink(__DIR__ . "/bug74596_1.php");
+unlink(__DIR__ . "/bug74596_2.php");
+?>
+--EXPECT--
+ok