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! { dg-do compile }
! { dg-options "-std=f2003" }
!
module x
use, intrinsic :: iso_c_binding, only: c_double
implicit none
common /mycom/ r, s ! { dg-error "In Fortran 2003 COMMON 'mycom' block at .1. is a global identifier and must thus have the same binding name as the same-named COMMON block at .2.: my_common_block vs .blank.|In Fortran 2003 COMMON 'mycom' block at .1. is a global identifier and must thus have the same binding name as the same-named COMMON block at .2.: my_common_block_2 vs .blank." }
real(c_double) :: r
real(c_double) :: s
bind(c, name="my_common_block") :: /mycom/
end module x
module y
use, intrinsic :: iso_c_binding, only: c_double, c_int
implicit none
common /mycom/ r, s ! { dg-error "In Fortran 2003 COMMON 'mycom' block at .1. is a global identifier and must thus have the same binding name as the same-named COMMON block at .2.: my_common_block vs .blank." }
real(c_double) :: r
real(c_double) :: s
bind(c, name="my_common_block") :: /mycom/
common /com2/ i ! { dg-error " In Fortran 2003 COMMON 'com2' block at .1. is a global identifier and must thus have the same binding name as the same-named COMMON block at .2.: mycom2 vs .blank." }
integer(c_int) :: i
bind(c, name="") /com2/
end module y
module z
use, intrinsic :: iso_c_binding, only: c_double, c_int
implicit none
common /mycom/ r, s ! { dg-error "In Fortran 2003 COMMON 'mycom' block at .1. is a global identifier and must thus have the same binding name as the same-named COMMON block at .2.: my_common_block_2 vs .blank." }
real(c_double) :: r
real(c_double) :: s
! this next line is an error; if a common block is bind(c), the binding label
! for it must match across all scoping units that declare it.
bind(c, name="my_common_block_2") :: /mycom/
common /com2/ i ! { dg-error " In Fortran 2003 COMMON 'com2' block at .1. is a global identifier and must thus have the same binding name as the same-named COMMON block at .2.: mycom2 vs .blank." }
integer(c_int) :: i
bind(c, name="mycom2") /com2/
end module z
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