gcc/testsuite/gfortran.dg/interface_30.f90

   1 ! { dg-do compile }
   2 !
   3 ! PR39850: Too strict checking for procedures as actual argument
   4 !
   5 ! Original test case by Tobias Burnus <burnus@gcc.gnu.org>
   6 ! Modified by Janus Weil <janus@gcc.gnu.org>
   7
   8 real function func()
   9   print *,"func"
  10   func = 42.0
  11 end function func
  12
  13 program test
  14   external func1,func2,func3,func4  ! subroutine or implicitly typed real function
  15   call sub1(func1)
  16   call sub2(func2)
  17   call sub1(func3)
  18   call sub2(func3)  ! { dg-error "is not a subroutine" }
  19   call sub2(func4)
  20   call sub1(func4)  ! { dg-error "is not a function" }
  21 contains
  22   subroutine sub1(a1)
  23     interface
  24       real function a1()
  25       end function
  26     end interface
  27     print *, a1()
  28   end subroutine sub1
  29   subroutine sub2(a2)
  30     interface
  31       subroutine a2
  32       end subroutine
  33     end interface
  34     call a2()
  35   end subroutine
  36 end
  37