Another failing test that suggests we can do this only for Variable now

Author: ondrejmirtes

tests/PHPStan/Rules/Comparison/data/impossible-method-call.php

@@ -103,6 +103,12 @@ public function doDolor(\stdClass $std1, \stdClass $std2)
 		}
 		if ($this->isNotSame(self::returnFoo('b'), self::returnFoo('b'))) {
 
+		}
+		if ($this->isSame(self::createStdClass('a')->foo, self::createStdClass('a')->foo)) {
+
+		}
+		if ($this->isNotSame(self::createStdClass('b')->foo, self::createStdClass('b')->foo)) {
+
 		}
 	}