Fix argument type checking in function with func_get_args()

src/Rules/FunctionCallParametersCheck.php

@@ -146,6 +146,9 @@ static function (Type $type): bool {
 				}
 
 				$parameter = $parameters[count($parameters) - 1];
+				if (!$parameter->isVariadic()) {
+					break; // func_get_args
+				}
 			} else {
 				$parameter = $parameters[$i];
 			}

tests/PHPStan/Rules/Methods/CallStaticMethodsRuleTest.php

@@ -345,4 +345,19 @@ public function testClassExists(): void
 		$this->analyse([__DIR__ . '/data/static-methods-class-exists.php'], []);
 	}
 
+	public function testBug3448(): void
+	{
+		$this->checkThisOnly = false;
+		$this->analyse([__DIR__ . '/data/bug-3448.php'], [
+			[
+				'Parameter #1 $lall of static method Bug3448\Foo::add() expects int, string given.',
+				21,
+			],
+			[
+				'Parameter #1 $lall of static method Bug3448\Foo::add() expects int, string given.',
+				22,
+			],
+		]);
+	}
+
 }

tests/PHPStan/Rules/Methods/data/bug-3448.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace Bug3448;
+
+use function func_get_args;
+
+final class Foo
+{
+	public static function add(int $lall): void
+	{
+		$args = func_get_args();
+	}
+}
+
+final class UseFoo
+{
+	public static function do(): void
+	{
+		Foo::add(1, [new \stdClass()]);
+
+		Foo::add('foo');
+		Foo::add('foo', [new \stdClass()]);
+	}
+}