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! { dg-do run }
!
! PR fortran/45900
! The BTYPEINSTANCE%CALLBACK() typebound call was resolved incorrectly to
! A's CALLBACK procedure instead of B's because the CALLBACK name is ambiguous
! in the MAIN namespace.
!
! Original testcase by someone <ortp21@gmail.com>
module A
implicit none
type :: aType
contains
procedure :: callback
end type aType
contains
subroutine callback( callback_, i )
implicit none
class(aType) :: callback_
integer :: i
i = 3
end subroutine callback
subroutine solver( callback_, i )
implicit none
class(aType) :: callback_
integer :: i
call callback_%callback(i)
end subroutine solver
end module A
module B
use A, only: aType
implicit none
type, extends(aType) :: bType
integer :: i
contains
procedure :: callback
end type bType
contains
subroutine callback( callback_, i )
implicit none
class(bType) :: callback_
integer :: i
i = 7
end subroutine callback
end module B
program main
call test1()
call test2()
contains
subroutine test1
use A
use B
implicit none
type(aType) :: aTypeInstance
type(bType) :: bTypeInstance
integer :: iflag
bTypeInstance%i = 4
iflag = 0
call bTypeInstance%callback(iflag)
if (iflag /= 7) call abort
iflag = 1
call solver( bTypeInstance, iflag )
if (iflag /= 7) call abort
iflag = 2
call aTypeInstance%callback(iflag)
if (iflag /= 3) call abort
end subroutine test1
subroutine test2
use B
use A
implicit none
type(aType) :: aTypeInstance
type(bType) :: bTypeInstance
integer :: iflag
bTypeInstance%i = 4
iflag = 0
call bTypeInstance%callback(iflag)
if (iflag /= 7) call abort
iflag = 1
call solver( bTypeInstance, iflag )
if (iflag /= 7) call abort
iflag = 2
call aTypeInstance%callback(iflag)
if (iflag /= 3) call abort
end subroutine test2
end program main
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