[Bug c/119381] -ftrivial-auto-var-init=pattern fails on libnetfilter_conntrack-1.1.0 (sorry, unimplemented: __builtin_clear_padding not supported for variable length aggregates)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119381

--- Comment #1 from Sam James <sjames at gcc dot gnu.org> ---
```
int main() {
        const int size = 4096;
        union {
                char buffer[size];
                bool req;
        } u;
}
```