Merge branch 'PHP-7.4'

* PHP-7.4:
  Add test for bug #78569

diff --cc ext/standard/tests/general_functions/bug78569.phpt
index 0000000000000000000000000000000000000000,70d8a995a2aa6735ed26306987d5c82fc54328a1..afc0b6f877c62f90a9bfbbd97cc6f63a9350ee67
mode 000000,100644..100644
--- /dev/null
--- 2/ext/standard/tests/general_functions/bug78569.phpt
+++ b/ext/standard/tests/general_functions/bug78569.phpt
@@@ -1,0 -1,20 +1,18 @@@
 ---XFAIL--
 -Before PHP 8.0.0 we would need to add extra quotes.
+ --TEST--
+ Bug #78569 (proc_open() may require extra quoting)
+ --SKIPIF--
+ <?php
+ if (PHP_OS_FAMILY !== 'Windows') die('skip this test is for Windows platforms only');
+ ?>
+ --FILE--
+ <?php
+ // We are searching for the following line:
+ // FIND ME
+ $descriptorspec = array(['pipe', 'r'], ['pipe', 'w'], ['pipe', 'w']);
+ $cmd = sprintf('"findstr" "/b" "/c:// FIND ME" "%s" 2>&1', __FILE__);
+ $proc = proc_open($cmd, $descriptorspec, $pipes);
+ fpassthru($pipes[1]);
+ proc_close($proc);
+ ?>
+ --EXPECT--
+ // FIND ME