Check for ldc.conf next to the ldc binary before home and etc. The new search order is * current working directory * next to executable * user home directory * prefix/etc * prefix/etc/ldc * /etc * /etc/ldc

module structs2;

struct S
{
    int i;
    char c;
    S* s;
    char[4] ca;
}

void main()
{
}