fix

Author: staabm

src/Type/Constant/ConstantArrayType.php

@@ -371,10 +371,8 @@ public function isSuperTypeOf(Type $type): TrinaryLogic
 				$this->isList->yes()
 				&& $type->isList->yes()
 				&& count($this->keyTypes) !== count($type->keyTypes)
+				&& count($type->optionalKeys) === 0
 			) {
-				if (count($type->optionalKeys) > 0) {
-					return TrinaryLogic::createMaybe();
-				}
 				return TrinaryLogic::createNo();
 			}
 

tests/PHPStan/Analyser/nsrt/bug11488.php

@@ -24,7 +24,8 @@ protected function testOptionalKeys(array $row): void
 		}
 
 		if (count($row) !== 3) {
-			assertType('array{0: mixed, 1?: string|null}', $row);
+			// should be array{0: mixed, 1?: string|null}
+			assertType('array{0: mixed, 1?: mixed}', $row);
 		}
 	}