[svn r86] Changed the way arguments are given storage. It is now detected if they will need it during semantic passes. Initial support for debug information. Very limited, but MUCH better than nothing :)

module bug44;

pragma(LLVM_internal, "notypeinfo")
struct rgb
{
    long l;
}

void foo()
{
}

rgb test() {
  scope(exit) foo();
  return rgb();
}

void main()
{
    rgb r = test();
}