Merge branch 'PHP-8.1'

* PHP-8.1:
  Fix GH-8778: Integer arithmethic with large number variants fails

Author: cmb69

NEWS

@@ -10,6 +10,10 @@ PHP                                                                        NEWS
   . Fixed bug GH-7821 and GH-8418 (Allow arbitrary const expressions in backed
     enums). (ilutov)
 
+- COM:
+  . Fixed bug GH-8778 (Integer arithmethic with large number variants fails).
+    (cmb)
+
 - Curl:
   . Added new constants from cURL 7.62 to 7.80. (Pierrick)
   . New function curl_upkeep(). (Pierrick)

ext/com_dotnet/com_handlers.c

@@ -452,7 +452,11 @@ static int com_object_cast(zend_object *readobj, zval *writeobj, int type)
 	switch(type) {
 		case IS_LONG:
 		case _IS_NUMBER:
-			vt = VT_INT;
+#if SIZEOF_ZEND_LONG == 4
+			vt = VT_I4;
+#else
+			vt = VT_I8;
+#endif
 			break;
 		case IS_DOUBLE:
 			vt = VT_R8;

ext/com_dotnet/tests/gh8778.phpt

@@ -0,0 +1,18 @@
+--TEST--
+Bug GH-8778 (Integer arithmethic with large number variants fails)
+--SKIPIF--
+<?php
+if (!extension_loaded("com_dotnet")) die("skip com_dotnet extension not available");
+if (PHP_INT_SIZE < 8) die("skip for 64bit only");
+?>
+--FILE--
+<?php
+$int = 0x100000000;
+var_dump(
+    $int,
+    new variant($int) + 1
+);
+?>
+--EXPECT--
+int(4294967296)
+int(4294967297)