Preload runtime stubs

Author: ondrejmirtes

compiler/src/Console/CompileCommand.php

@@ -201,6 +201,7 @@ private function buildPreloadScript(): void
 		$output = '';
 		foreach ($finder->files()->name('*.php')->in([
 			$this->buildDir . '/src',
+			$this->buildDir . '/stubs/runtime',
 			$vendorDir . '/nikic/php-parser/lib/PhpParser',
 			$vendorDir . '/phpstan/phpdoc-parser/src',
 			$vendorDir . '/ondrejmirtes/better-reflection/src',