Merge branch 'PHP-8.1'

* PHP-8.1:
  [skip ci] Add NEWS entry
  Fix undefined behavior in php_set_inet6_addr
  Reduce the scope of XFAIL (#8592)

Author: iluuu1994

ext/opcache/tests/bug78175_2.phpt

@@ -10,6 +10,7 @@ opcache
 --SKIPIF--
 <?php
 if (PHP_OS_FAMILY == 'Windows') die('skip Preloading is not supported on Windows');
+if (PHP_ZTS) die('xfail GH-8588');
 ?>
 --FILE--
 <?php

ext/opcache/tests/bug78376.phpt

@@ -10,6 +10,7 @@ opcache
 --SKIPIF--
 <?php
 if (PHP_OS_FAMILY == 'Windows') die('skip Preloading is not supported on Windows');
+if (PHP_ZTS) die('xfail GH-8588');
 ?>
 --FILE--
 <?php

ext/opcache/tests/preload_method_static_vars.phpt

@@ -10,6 +10,7 @@ opcache
 --SKIPIF--
 <?php
 if (PHP_OS_FAMILY == 'Windows') die('skip Preloading is not supported on Windows');
+if (PHP_ZTS) die('xfail GH-8588');
 ?>
 --FILE--
 <?php

ext/opcache/tests/preload_trait_static.phpt

@@ -10,6 +10,7 @@ opcache
 --SKIPIF--
 <?php
 if (PHP_OS_FAMILY == 'Windows') die('skip Preloading is not supported on Windows');
+if (PHP_ZTS) die('xfail GH-8588');
 ?>
 --FILE--
 <?php

ext/sockets/sockaddr_conv.c

@@ -60,11 +60,13 @@ int php_set_inet6_addr(struct sockaddr_in6 *sin6, char *string, php_socket *php_
 
 	}
 
-	if (scope++) {
+	if (scope) {
 		zend_long lval = 0;
 		double dval = 0;
 		unsigned scope_id = 0;
 
+		scope++;
+
 		if (IS_LONG == is_numeric_string(scope, strlen(scope), &lval, &dval, 0)) {
 			if (lval > 0 && (zend_ulong)lval <= UINT_MAX) {
 				scope_id = lval;