Upgrade Dead Code Detector to 1.0.0

Co-Authored-By: Claude Code

Author: janedbal

build/phpstan.neon

@@ -91,6 +91,11 @@ parameters:
 			paths:
 				- ../tests/PHPStan/Fixture
 			reportUnmatched: false # constants on enums, not reported on PHP8-
+		-
+			identifier: shipmonk.deadEnumCase
+			paths:
+				- ../tests/PHPStan/Fixture
+			reportUnmatched: false # enum cases, not reported on PHP8-
 		-
 			message: '''
 				#^Access to constant on deprecated class DeprecatedAnnotations\\DeprecatedFoo\:
@@ -120,6 +125,8 @@ parameters:
 			identifier: shipmonk.deadMethod
 			path: ../src/Internal/CombinationsHelper.php
 			reportUnmatched: false
+		-
+			rawMessage: 'Property PHPStan\Command\CommandHelper::$reservedMemory is never read' # intentional
 	reportStaticMethodSignatures: true
 	tmpDir: %rootDir%/tmp
 	stubFiles:

composer.json

@@ -73,7 +73,7 @@
 		"phpstan/phpstan-strict-rules": "^2.0",
 		"phpunit/phpunit": "^11.5.23",
 		"shipmonk/composer-dependency-analyser": "^1.5",
-		"shipmonk/dead-code-detector": "^0.14.0",
+		"shipmonk/dead-code-detector": "^1.0.0",
 		"shipmonk/name-collision-detector": "^2.0"
 	},
 	"config": {

composer.lock

@@ -10,7 +10,7 @@
 final class DirectoryCreatorException extends Exception
 {
 
-	public function __construct(public readonly string $directory)
+	public function __construct(string $directory)
 	{
 		$error = error_get_last();