[php-src] Issue #19549: Inconsistent echo results of reflection class

Issue: https://github.com/php/php-src/issues/19549 Author: YuanchengJiang ### Description The following code: ```php <?php class C { public stdClass $a = FOO; } $reflector = new ReflectionProperty(C::class, 'a'); define('FOO', new stdClass); new C; echo $reflector; ``` Resulted in this output without JIT: ``` Property [ public stdClass $a = object(stdClass) ] ``` Resulted in this output with JIT (-d "opcache.enable=1" -d "opcache.enable_cli=1" -d "opcache.jit=tracing"): ``` Property [ public stdClass $a = FOO ] ``` ### PHP Version ```plain nightly ``` ### Operating System _No response_