Regression test

Closes phpstan/phpstan#12544

Author: ondrejmirtes

tests/PHPStan/Rules/Methods/CallMethodsRuleTest.php

@@ -3500,4 +3500,18 @@ public function testBug4801(): void
 $this->analyse([__DIR__ . '/data/bug-4801.php'], []);
 }
 
+public function testBug12544(): void
+{
+$this->checkThisOnly = false;
+$this->checkNullables = true;
+$this->checkUnionTypes = true;
+$this->checkExplicitMixed = true;
+$this->analyse([__DIR__ . '/data/bug-12544.php'], [
+[
+'Call to private method somethingElse() of class Bug12544\Bar.',
+20,
+],
+]);
+}
+
 }

tests/PHPStan/Rules/Methods/data/bug-12544.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Bug12544;
+
+trait Foo {
+public function hello(): string
+{
+return "Hello from Foo!";
+}
+}
+
+class Bar {
+use Foo {
+hello as private somethingElse;
+}
+}
+
+function (Bar $bar): void {
+$bar->hello();
+$bar->somethingElse();
+};