这个标志决定执行程序的使用者是否可以存取专用文件。
Say that the flag determines whether or not the user running the program can access private files.
要修复此问题，用户可下载上述版本的漏洞补丁，或是为处理浮点数使用额外标志重编译 PHP 程序。
To fix the problem, users can download patches for those versions or recompile PHP with additional flags for handling floating point digits.
JSR 133显著增强了volatile的语义，这样就可以可靠地使用volatile标志表明程序状态被另一个线程改变了。
JSR 133 significantly strengthens the semantics of volatile, so that volatile flags can be used reliably as indicators that the program state has been changed by another thread.
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