[Bug c++/103347] Non-static data member initialization is erroneously allowed in C++03 mode

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103347

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #2)
> That is GCC does warning about the following case:
> struct test {
>     int x = 0;
> };
> int main() {}

And you get an error with -pedantic-errors