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Diffstat (limited to 'gcc/testsuite/gfortran.dg/proc_ptr_result_3.f90')
-rw-r--r-- | gcc/testsuite/gfortran.dg/proc_ptr_result_3.f90 | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/proc_ptr_result_3.f90 b/gcc/testsuite/gfortran.dg/proc_ptr_result_3.f90 new file mode 100644 index 000000000..a84ff2420 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/proc_ptr_result_3.f90 @@ -0,0 +1,56 @@ +!{ dg-do run } +! +! PR 36704: Procedure pointer as function result +! +! Original test case from James Van Buskirk. +! +! Adapted by Janus Weil <janus@gcc.gnu.org> + +module store_subroutine + implicit none + + abstract interface + subroutine sub(i) + integer, intent(inout) :: i + end subroutine sub + end interface + + procedure(sub), pointer, private :: psub => NULL() + +contains + + subroutine set_sub(x) + procedure(sub) x + psub => x + end subroutine set_sub + + function get_sub() + procedure(sub), pointer :: get_sub + get_sub => psub + end function get_sub + +end module store_subroutine + +program test + use store_subroutine + implicit none + procedure(sub), pointer :: qsub + integer :: k = 1 + + call my_sub(k) + if (k/=3) call abort + qsub => get_sub() + call qsub(k) + if (k/=9) call abort +end program test + +recursive subroutine my_sub(j) + use store_subroutine + implicit none + integer, intent(inout) :: j + j = j*3 + call set_sub(my_sub) +end subroutine my_sub + +! { dg-final { cleanup-modules "store_subroutine" } } + |