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 nested4;

void func(void delegate() dg) {
  auto v = (){
    dg();
  };
}

void main()
{
    func({});
}