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Subject: [Bug fortran/97045] A wrong column is selected when addressing
 individual elements of unlimited polymorphic dummy argument
Date: Wed, 30 Sep 2020 12:44:53 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97045

--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Paul Thomas <pault@gcc.gnu.org>:

https://gcc.gnu.org/g:fcc4891d7f3bff1a3f7428f12830bc942989306c

commit r11-3554-gfcc4891d7f3bff1a3f7428f12830bc942989306c
Author: Paul Thomas <pault@gcc.gnu.org>
Date:   Wed Sep 30 13:44:39 2020 +0100

    This patch fixes PR97045 - unlimited polymorphic array element selector=
s.

    2020-30-09  Paul Thomas  <pault@gcc.gnu.org>

    gcc/fortran
            PR fortran/97045
            * trans-array.c (gfc_conv_array_ref): Make sure that the class
            decl is passed to build_array_ref in the case of unlimited
            polymorphic entities.
            * trans-expr.c (gfc_conv_derived_to_class): Ensure that array
            refs do not preceed the _len component. Free the _len expr.
            * trans-stmt.c (trans_associate_var): Reset 'need_len_assign'
            for polymorphic scalars.
            * trans.c (gfc_build_array_ref): When the vptr size is used for
            span, multiply by the _len field of unlimited polymorphic
            entities, when non-zero.

    gcc/testsuite/
            PR fortran/97045
            * gfortran.dg/select_type_50.f90 : New test.=