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! { dg-do compile }

!

! PR fortran/34658

!

! Check for more COMMON constrains

!

block data

  implicit none

  integer :: x, a  ! { dg-warning "Initialized variable 'a' at .1. is in a blank COMMON" }

  integer :: y = 5, b = 5 ! { dg-warning "Initialized variable 'b' at .1. is in a blank COMMON" }

  data x/5/, a/5/

  common // a, b

  common /a/ x, y

end block data

subroutine foo()

  implicit none

  type t

    sequence

    integer :: i = 5

  end type t

  type(t) x ! { dg-error "may not have default initializer" }

  common // x

end subroutine foo

program test

  implicit none

  common /a/ I ! { dg-warning "in COMMON but only in BLOCK DATA initialization" }

  integer :: I = 43

end program test