gcc/testsuite/gfortran.dg/impure_assignment_3.f90

   1 ! { dg-do compile }
   2 !
   3 ! PR 43169: [OOP] gfortran rejects PURE procedure with SELECT TYPE construct
   4 !
   5 ! Original test case by Todd Hay <haymaker@mail.utexas.edu>
   6 ! Modified by Janus Weil <janus@gcc.gnu.org>
   7
   8   implicit none
   9   real :: g
  10
  11 contains
  12
  13   pure subroutine sub1(x)
  14     type :: myType
  15       real :: a
  16     end type myType
  17     class(myType), intent(inout) :: x
  18     real :: r3
  19     select type(x)
  20     class is (myType)
  21       x%a = 42.
  22       r3 =  43.
  23       g = 44.             ! { dg-error "variable definition context" }
  24     end select
  25   end subroutine
  26
  27   pure subroutine sub2
  28     real :: r1
  29     block
  30       real :: r2
  31       r1 = 45.
  32       r2 = 46.
  33       g = 47.             ! { dg-error "variable definition context" }
  34     end block
  35   end subroutine
  36
  37   pure subroutine sub3
  38     block
  39       integer, save :: i  ! { dg-error "cannot be specified in a PURE procedure" }
  40       integer :: j = 5    ! { dg-error "is not allowed in a PURE procedure" }
  41     end block
  42   end subroutine
  43
  44 end