https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72709

janus at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |janus at gcc dot gnu.org

--- Comment #3 from janus at gcc dot gnu.org ---
Slightly reduced test case:


program    read_exp_data
   implicit none

   type experimental_data_t
      character(len=:), dimension(:), allocatable :: header
   end type

   type(experimental_data_t) :: ex
   integer, parameter :: nh = 3
   integer :: i

   allocate(character(len=1) :: ex%header(nh))

   ex%header(1) = "A"
   ex%header(2) = "B"
   ex%header(3) = "C"

   do i = 1, nh
      write(*,*) "header(",i,") = ", ex%header(i)
   enddo

end program


In fact the bug goes away if the 'header' component is declared with a fixed
length (e.g. len=1).

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