http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57116



Dominique d'Humieres <dominiq at lps dot ens.fr> changed:



           What    |Removed                     |Added

----------------------------------------------------------------------------

             Status|UNCONFIRMED                 |NEW

   Last reconfirmed|                            |2013-04-29

     Ever Confirmed|0                           |1



--- Comment #1 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2013-04-29 
21:54:39 UTC ---

Confirmed. The test passes if I define explicitly the bounds, i.e.,



  subroutine extract(this, v, ic)

    class(*), target :: this(:)

    real, pointer :: v(:)

    integer :: ic, m, n

    n = ubound(this,1)

    m = n-ic+1

    select type (this)

    type is (real)

       v(1:m) => this(ic:n)

    class is (foo)

       v(1:m) => this(ic:n)%v

    end select

  end subroutine extract

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