add tests for autoloading

Author: withinboredom

Zend/zend_compile.c

@@ -9205,9 +9205,6 @@ static void zend_compile_class_decl(znode *result, zend_ast *ast, bool toplevel)
 			// if a class is private or protected, we need to require the correct scope
 			ce->required_scope = propFlags & (ZEND_ACC_PRIVATE|ZEND_ACC_PROTECTED) ? CG(active_class_entry) : NULL;
 			ce->required_scope_absolute = propFlags & ZEND_ACC_PRIVATE ? true : false;
-			if (ce->required_scope) {
-				ce->required_scope->refcount ++;
-			}
 
 			// ensure the class is treated as a top-level class and not an anon class
 			toplevel = true;

tests/classes/inner_classes.inc

@@ -0,0 +1,9 @@
+<?php
+
+class inner_classes {
+    public class Point {
+        public function __construct(public int $x, public int $y) {}
+    }
+
+    private class Line {}
+}

tests/classes/inner_classes_019.phpt

@@ -0,0 +1,16 @@
+--TEST--
+ensure private autoloading works
+--FILE--
+<?php
+spl_autoload_register(static function ($class_name) {
+    require_once(__DIR__ . '/' . $class_name . '.inc');
+    echo 'autoload(' . $class_name . ")\n";
+});
+
+$line = new inner_classes:>Line();
+var_dump($line);
+?>
+--EXPECTF--
+autoload(inner_classes)
+
+Fatal error: Class 'inner_classes:>Line' is private in %s on line %d