Merge branch 'PHP-8.4'

* PHP-8.4:
  Disallow calls to abstract `__call()` / `__callStatic()` (php#17719)

Author: TimWolla

Zend/tests/gh_17718_001.phpt

@@ -0,0 +1,17 @@
+--TEST--
+GH-17718: Disallow calling abstract `__callStatic()` trampoline on an interface
+--FILE--
+<?php
+
+interface Foo {
+    public static function __callStatic($method, $args);
+}
+
+Foo::bar();
+
+?>
+--EXPECTF--
+Fatal error: Uncaught Error: Cannot call abstract method Foo::bar() in %s:%d
+Stack trace:
+#0 {main}
+  thrown in %s on line %d

Zend/tests/gh_17718_002.phpt

@@ -0,0 +1,17 @@
+--TEST--
+GH-17718: Disallow calling abstract `__callStatic()` trampoline on an abstract class
+--FILE--
+<?php
+
+abstract class Foo {
+    abstract public static function __callStatic($method, $args);
+}
+
+Foo::bar();
+
+?>
+--EXPECTF--
+Fatal error: Uncaught Error: Cannot call abstract method Foo::bar() in %s:%d
+Stack trace:
+#0 {main}
+  thrown in %s on line %d

Zend/zend_object_handlers.c

@@ -1617,7 +1617,7 @@ ZEND_API zend_function *zend_get_call_trampoline_func(const zend_class_entry *ce
 	func->fn_flags = ZEND_ACC_CALL_VIA_TRAMPOLINE
 		| ZEND_ACC_PUBLIC
 		| ZEND_ACC_VARIADIC
-		| (fbc->common.fn_flags & (ZEND_ACC_RETURN_REFERENCE|ZEND_ACC_DEPRECATED));
+		| (fbc->common.fn_flags & (ZEND_ACC_RETURN_REFERENCE|ZEND_ACC_ABSTRACT|ZEND_ACC_DEPRECATED));
 	if (fbc->common.attributes) {
 		func->attributes = fbc->common.attributes;
 		GC_TRY_ADDREF(func->attributes);
@@ -1898,6 +1898,10 @@ ZEND_API zend_function *zend_std_get_static_method(zend_class_entry *ce, zend_st
 	if (EXPECTED(fbc)) {
 		if (UNEXPECTED(fbc->common.fn_flags & ZEND_ACC_ABSTRACT)) {
 			zend_abstract_method_call(fbc);
+			if (UNEXPECTED(fbc->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE)) {
+				zend_string_release_ex(fbc->common.function_name, 0);
+				zend_free_trampoline(fbc);
+			}
 			fbc = NULL;
 		} else if (UNEXPECTED(fbc->common.scope->ce_flags & ZEND_ACC_TRAIT)) {
 			zend_error(E_DEPRECATED,