Re: [Patch, fortran] PR67171 - [6 regression] sourced allocation

[Paul Richard Thomas <paul dot richard dot thomas at gmail dot com>]

Shucks! Here it is....

On 24 October 2015 at 15:08, Paul Richard Thomas
<paul.richard.thomas@gmail.com> wrote:
> Dear All,
>
> This patch does four things:
> (i) On deallocating class components, the vptr is set to point to the
> vtable of the declared type;
> (ii) When digging out the last class reference, a NULL is returned if
> the allocatable component is to the right of a part reference with
> non-zero rank, so that the resulting ICE is removed. The previous
> modification takes care of these cases for gfc_reset_vptr and
> gfc_reset_len;
> (iii) gfc_reset_vptr has been simplified by the use of
> gfc_get_vptr_from_expr; and
> (iv) All variable expressions for the source are passed to
> gfc_trans-assignment, so that array sections work correctly.
>
> I see that Andre has already reserved the testcase
> allocate_with_source_10, for the pending patch that I undertook to
> review, so I will change this to #12 on submission
>
> OK for trunk?
>
> Cheers
>
> Paul
>
> 2015-01-24  Paul Thomas  <pault@gcc.gnu.org>
>
>     PR fortran/67171
>     * trans-array.c (structure_alloc_comps): On deallocation of
>     class components, reset the vptr to the declared type vtable
>     and reset the _len field of unlimited polymorphic components.
>     *trans-expr.c (gfc_find_and_cut_at_last_class_ref): Bail out on
>     allocatable component references to the right of part reference
>     with non-zero rank and return NULL.
>     (gfc_reset_vptr): Simplify this function by using the function
>     gfc_get_vptr_from_expr. Return if the vptr is NULL_TREE.
>     (gfc_reset_len): If gfc_find_and_cut_at_last_class_ref returns
>     NULL return.
>     * trans-stmt.c (gfc_trans_allocate): Rely on the use of
>     gfc_trans_assignment if expr3 is a variable expression since
>     this deals correctly with array sections.
>
> 2015-01-24  Paul Thomas  <pault@gcc.gnu.org>
>
>     PR fortran/67171
>     * gfortran.dg/allocate_with_source_10.f03: New test



-- 
Outside of a dog, a book is a man's best friend. Inside of a dog it's
too dark to read.

Groucho Marx

Attachment: submit.diff
Description: Text document