proper tail recursion for gcc

[Mark Mitchell]

>>>>> "Zack" == Zack Weinberg <zack@wolery.cumb.org> writes:

    Zack> We don't sibcall optimize this, but we could and probably
    Zack> should.  [Perhaps this is the sort of thing that would be
    Zack> handled by the "better tree-based sibcall optimizer" coming
    Zack> RSN?]

Yup.  Except that RSN isn't on anybody's schedule, so far as I know. :-(

--
Mark Mitchell                   mark@codesourcery.com
CodeSourcery, LLC               http://www.codesourcery.com