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! { dg-do run }

!

! This tests that common blocks function with multiply nested modules.

! Contributed by Paul Thomas  

!

       module mod0

         complex(kind=8) FOO, KANGA

         common /bar/ FOO, KANGA

       contains

         subroutine eyeore ()

           FOO = FOO + (1.0d0, 0.0d0)

           KANGA = KANGA - (1.0d0, 0.0d0)

         end subroutine eyeore

       end module mod0

       module mod1

         use mod0

         complex ROBIN

         common/owl/ROBIN

       end module mod1

       module mod2

         use mod0

         use mod1

         real(kind=8) re1, im1, re2, im2, re, im

         common /bar/ re1, im1, re2, im2

         equivalence (re1, re), (im1, im)

       contains

         subroutine tigger (w)

           complex(kind=8) w

           if (FOO.ne.(1.0d0, 1.0d0)) call abort ()

           if (KANGA.ne.(-1.0d0, -1.0d0)) call abort ()

           if (ROBIN.ne.(99.0d0, 99.0d0)) CALL abort ()

           if (w.ne.cmplx(re,im)) call abort ()

         end subroutine tigger

       end module mod2

       use mod2

       use mod0, only: w=>foo

       w = (0.0d0, 1.0d0)  ! Was foo but this is forbidden (11.3.2)

       KANGA = (0.0d0, -1.0d0)

       ROBIN = (99.0d0, 99.0d0)

       call eyeore ()

       call tigger (w)

       end

! { dg-final { cleanup-modules "mod0 mod1 mod2" } }