[Bug c++/127311] [C++] -fstrict-flex-arrays=3 does not reach DECL_NOT_FLEXARRAY in the C++ front end

[220255623 at seu dot edu.cn via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127311

--- Comment #1 from Feiyang Huang <220255623 at seu dot edu.cn> ---
Created attachment 65550
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=65550&action=edit
Preprocessed C control input for the matching GCC reproducer.