Re: [Patch, fortran] PR103716 - [10/11/12/13/14 Regression] ICE in gimplify_expr, at gimplify.c:15964

[Harald Anlauf <anlauf@gmx.de>]

Hi Paul,

On 5/9/23 18:00, Paul Richard Thomas via Gcc-patches wrote:
> Hi All,
>
> This problem caused the gimplifier failure because the reference chain
> ending in an inquiry_len still retained a full array reference. This had
> already been corrected for deferred character lengths but the fix extends
> this to all characters without a length expression and integer expressions,
> which is the correct type of course, that retain a full  array_spec. The
> nullification of the se->string length in conv_inquiry is a
> belts-and-braces measure to stop it from winding up as a hidden argument in
> procedure calls.
>
> OK for trunk and, after a decent delay, backporting?

ENOTESTCASE.

Nevertheless the patch LGTM and is also OK for backporting.

Thanks for fixing this!

Harald


> Cheers
>
> Paul
>
> Fortran: Fix assumed length chars and len inquiry [PR103716]
>
> 2023-05-09  Paul Thomas  <pault@gcc.gnu.org>
>
> gcc/fortran
> PR fortran/103716
> * resolve.cc (gfc_resolve_ref): Conversion of array_ref into an
> element should be done for all characters without a len expr,
> not just deferred lens, and for integer expressions.
> * trans-expr.cc (conv_inquiry): For len and kind inquiry refs,
> set the se string_length to NULL_TREE.
>
> gcc/testsuite/
> PR fortran/103716
> * gfortran.dg/pr103716 : New test.