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From: "mscfd at gmx dot net" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug fortran/97612] New: Structure constructor of type with nested
 allocatable array components fails to compile
Date: Wed, 28 Oct 2020 08:51:33 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97612

            Bug ID: 97612
           Summary: Structure constructor of type with nested allocatable
                    array components fails to compile
           Product: gcc
           Version: 10.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: mscfd at gmx dot net
  Target Milestone: ---

The program below does not compile with error message:

constructor_allocatable.F90:4:9:

    4 | type :: s
      |         1
Error: The rank of the element in the structure constructor at (1) does not
match that of the component (0/1)

It is essential that x is an array, and that component u of type s has the
allocatable attribute as well. However, component u does not need to be an
array to trigger the error.


program constructor_allocatable
implicit none

type :: s
   integer, dimension(:), allocatable :: u
end type s

type :: t
   type(s), dimension(:), allocatable :: x
end type t

type(t) :: a =3D t()

end program constructor_allocatable=