Re: [Patch, fortran] PR87477 - [meta-bug] [F03] issues concerning the ASSOCIATE statement

[Manfred Schwarb <manfred99@gmx.ch>]

Am 28.03.23 um 23:04 schrieb Paul Richard Thomas via Fortran:
> Hi All,
>
> I have made a start on ASSOCIATE issues. Some of the low(-ish) hanging
> fruit are already fixed but I have yet to check that they a really fixed
> and to close them:
> pr102106, pr102111, pr104430, pr106048, pr85510, pr87460, pr92960 & pr93338
>
> The attached patch picks up those PRs involving deferred length characters
> in one guise or another. I believe that it is all pretty straightforward.
> Structure constructors with allocatable, deferred length, character array
> components just weren't implemented and so this is the biggest part of the
> patch. I found two other, non-associate PRs(106918 &  105205) that are
> fixed and there are probably more.
>
> The chunk in trans-io.cc is something of a kludge, which I will come back
> to. Some descriptors come through with a data pointer that looks as if it
> should be OK but
>
> I thought to submit this now to get it out of the way. The ratio of PRs
> fixed to the size of the patch warrants this. The next stage is going to be
> rather messy and so "I might take a little while" (cross talk between
> associate and select type, in particular).
>
> Regtests OK - good for mainline?
>

Paul, you have some "dg-do-run" and "dg-do-compile" statements in your testcases,
could you change them into their single-minus-sign variants?

Cheers,
Manfred


BTW: I just ran my script again and found the following testsuite issues (note that outer-most
braces need to be space-padded):

./c-interop/removed-restrictions-1.f90:! { dg-do compile}
./c-interop/removed-restrictions-2.f90:! { dg-do compile}
./c-interop/removed-restrictions-3.f90:! { dg-do compile}
./c-interop/removed-restrictions-4.f90:! { dg-do compile}
./c-interop/tkr.f90:! { dg-do compile}
./c-interop/c407c-1.f90:! { dg-do compile}
./c-interop/deferred-character-1.f90:! { dg-do compile}
./c-interop/allocatable-optional-pointer.f90:! { dg-do compile}
./c-interop/c407a-1.f90:! { dg-do compile}
./c-interop/c407b-1.f90:! { dg-do compile}
./c-interop/c407b-2.f90:! { dg-do compile}
./c-interop/c535a-1.f90:! { dg-do compile}
./c-interop/c535a-2.f90:! { dg-do compile}
./c-interop/c535b-1.f90:! { dg-do compile}
./c-interop/c535b-2.f90:! { dg-do compile}
./c-interop/c535b-3.f90:! { dg-do compile}
./c-interop/c535c-1.f90:! { dg-do compile}
./c-interop/c535c-2.f90:! { dg-do compile}
./gomp/affinity-clause-1.f90:! { dg final { scan-tree-dump-times "#pragma omp task affinity\\(iterator\\(integer\\(kind=4\\) i=D\\.\[0-9\]+:5:1\\):b\\\[\\(.* <?i>? \\+ -1\\\]\\) affinity\\(iterator\\(integer\\(kind=4\\) i=D\\.\[0-9\]+:5:1\\):d\\\[\\(\\(integer\\(kind=8\\)\\) i \\+ -1\\) \\* 6\\\]\\)"  1 "original" } }
./class_result_10.f90:! { dg-do run}
./pr103258.f90:! { dg-do compile}
./dtio_35.f90:! { dg-compile }
./pr93835.f08:! {dg-do run }
./pr59107.f90:! { dg-compile }



> Cheers
>
> Paul
>
> Fortran: Fix some of the bugs in associate [PR87477]
>
> 2023-03-28  Paul Thomas  <pault@gcc.gnu.org>
>
> gcc/fortran
> PR fortran/87477
> * trans-array.cc (gfc_conv_expr_descriptor): Guard string len
> expression in condition.
> (duplicate_allocatable): Make element type more explicit with
> 'eltype'.
> * trans-expr.cc (gfc_get_expr_charlen): Retain last charlen in
> 'previous' and use if end expression in substring reference is
> null.
> (gfc_conv_string_length): Use gfc_conv_expr_descriptor if
> 'expr_flat' is an array.
> (gfc_trans_alloc_subarray_assign): If this is a deferred string
> length component, store the string length in the hidden comp.
> Update the typespec length accordingly. Generate a new type
> spec for the call to gfc_duplicate-allocatable in this case.
> * trans-io.cc (gfc_trans_transfer): Scalarize transfer of
> deferred character array components.
>
>
> gcc/testsuite/
> PR fortran/92994
> * gfortran.dg/finalize_51.f90 : Update an error message.
>
> PR fortran/85686
> * gfortran.dg/pr85686.f90 : New test
>
> PR fortran/88247
> * gfortran.dg/pr88247.f90 : New test
>
> PR fortran/91941
> * gfortran.dg/pr91941.f90 : New test
>
> PR fortran/92779
> * gfortran.dg/pr92779.f90 : New test
>
> PR fortran/93339
> * gfortran.dg/pr93339.f90 : New test
>
> PR fortran/93813
> * gfortran.dg/pr93813.f90 : New test
>
> PR fortran/100948
> * gfortran.dg/pr100948.f90 : New test
>
> PR fortran/102106
> * gfortran.dg/pr102106.f90 : New test
>
> PR fortran/105205
> * gfortran.dg/pr105205.f90 : New test
>
> PR fortran/106918
> * gfortran.dg/pr106918.f90 : New test