diff --git a/ext/opcache/tests/bug78175_2.phpt b/ext/opcache/tests/bug78175_2.phpt
index a994c356861..48c0812fe44 100644
--- a/ext/opcache/tests/bug78175_2.phpt
+++ b/ext/opcache/tests/bug78175_2.phpt
@@ -11,6 +11,8 @@ opcache
 <?php
 if (PHP_OS_FAMILY == 'Windows') die('skip Preloading is not supported on Windows');
 ?>
+--XFAIL--
+GH-8588
 --FILE--
 <?php
 var_dump(get_class(Loader::getLoader()));
diff --git a/ext/opcache/tests/bug78376.phpt b/ext/opcache/tests/bug78376.phpt
index d6b2dd7cf5c..f3bfeaaeac7 100644
--- a/ext/opcache/tests/bug78376.phpt
+++ b/ext/opcache/tests/bug78376.phpt
@@ -11,6 +11,8 @@ opcache
 <?php
 if (PHP_OS_FAMILY == 'Windows') die('skip Preloading is not supported on Windows');
 ?>
+--XFAIL--
+GH-8588
 --FILE--
 <?php
 const CNST = 'bbbb';
diff --git a/ext/opcache/tests/preload_method_static_vars.phpt b/ext/opcache/tests/preload_method_static_vars.phpt
index 52edfc0fd33..3adc2aa6ec6 100644
--- a/ext/opcache/tests/preload_method_static_vars.phpt
+++ b/ext/opcache/tests/preload_method_static_vars.phpt
@@ -11,6 +11,8 @@ opcache
 <?php
 if (PHP_OS_FAMILY == 'Windows') die('skip Preloading is not supported on Windows');
 ?>
+--XFAIL--
+GH-8588
 --FILE--
 <?php
 Foo::test();
diff --git a/ext/opcache/tests/preload_trait_static.phpt b/ext/opcache/tests/preload_trait_static.phpt
index cbf09c57a07..2bf080b7afa 100644
--- a/ext/opcache/tests/preload_trait_static.phpt
+++ b/ext/opcache/tests/preload_trait_static.phpt
@@ -11,6 +11,8 @@ opcache
 <?php
 if (PHP_OS_FAMILY == 'Windows') die('skip Preloading is not supported on Windows');
 ?>
+--XFAIL--
+GH-8588
 --FILE--
 <?php
 $bar = new Bar;
diff --git a/ext/zend_test/test.c b/ext/zend_test/test.c
index 803ef2ff13a..69ffb52aabd 100644
--- a/ext/zend_test/test.c
+++ b/ext/zend_test/test.c
@@ -460,6 +460,7 @@ static ZEND_METHOD(ZendTestChildClassWithMethodWithParameterAttribute, override)
 PHP_INI_BEGIN()
 	STD_PHP_INI_BOOLEAN("zend_test.replace_zend_execute_ex", "0", PHP_INI_SYSTEM, OnUpdateBool, replace_zend_execute_ex, zend_zend_test_globals, zend_test_globals)
 	STD_PHP_INI_BOOLEAN("zend_test.register_passes", "0", PHP_INI_SYSTEM, OnUpdateBool, register_passes, zend_zend_test_globals, zend_test_globals)
+	STD_PHP_INI_BOOLEAN("zend_test.print_stderr_mshutdown", "0", PHP_INI_SYSTEM, OnUpdateBool, print_stderr_mshutdown, zend_zend_test_globals, zend_test_globals)
 PHP_INI_END()
 
 void (*old_zend_execute_ex)(zend_execute_data *execute_data);
@@ -585,6 +586,10 @@ PHP_MSHUTDOWN_FUNCTION(zend_test)
 
 	zend_test_observer_shutdown(SHUTDOWN_FUNC_ARGS_PASSTHRU);
 
+	if (ZT_G(print_stderr_mshutdown)) {
+		fprintf(stderr, "[zend-test] MSHUTDOWN\n");
+	}
+
 	return SUCCESS;
 }
 
diff --git a/ext/zend_test/tests/gh8575.phpt b/ext/zend_test/tests/gh8575.phpt
new file mode 100644
index 00000000000..8cf1d68dcab
--- /dev/null
+++ b/ext/zend_test/tests/gh8575.phpt
@@ -0,0 +1,14 @@
+--TEST--
+CLI: stderr is available in mshutdown
+--SKIPIF--
+<?php
+if (!extension_loaded('zend-test')) die('skip zend-test extension required');
+if (php_sapi_name() != "cli") die('skip cli test only');
+?>
+--INI--
+zend_test.print_stderr_mshutdown=1
+--FILE--
+==DONE==
+--EXPECTF--
+==DONE==
+[zend-test] MSHUTDOWN
diff --git a/sapi/cli/php_cli.c b/sapi/cli/php_cli.c
index 0ad53e813c9..47241f8af4e 100644
--- a/sapi/cli/php_cli.c
+++ b/sapi/cli/php_cli.c
@@ -538,6 +538,14 @@ static void cli_register_file_handles(bool no_close) /* {{{ */
 	s_out = php_stream_open_wrapper_ex("php://stdout", "wb", 0, NULL, sc_out);
 	s_err = php_stream_open_wrapper_ex("php://stderr", "wb", 0, NULL, sc_err);
 
+	/* Release stream resources, but don't free the underlying handles. Othewrise,
+	 * extensions which write to stderr or company during mshutdown/gshutdown
+	 * won't have the expected functionality.
+	 */
+	if (s_in) s_in->flags |= PHP_STREAM_FLAG_NO_CLOSE;
+	if (s_out) s_out->flags |= PHP_STREAM_FLAG_NO_CLOSE;
+	if (s_err) s_err->flags |= PHP_STREAM_FLAG_NO_CLOSE;
+
 	if (s_in==NULL || s_out==NULL || s_err==NULL) {
 		if (s_in) php_stream_close(s_in);
 		if (s_out) php_stream_close(s_out);
@@ -545,12 +553,6 @@ static void cli_register_file_handles(bool no_close) /* {{{ */
 		return;
 	}
 
-	if (no_close) {
-		s_in->flags |= PHP_STREAM_FLAG_NO_CLOSE;
-		s_out->flags |= PHP_STREAM_FLAG_NO_CLOSE;
-		s_err->flags |= PHP_STREAM_FLAG_NO_CLOSE;
-	}
-
 	s_in_process = s_in;
 
 	php_stream_to_zval(s_in,  &ic.value);