gcc/testsuite/gfortran.dg/duplicate_type_3.f90

   1 ! { dg-do compile }
   2 !
   3 ! PR 39996: Double typing of function results not detected
   4 !
   5 ! Contributed by Janus Weil <janus@gcc.gnu.org>
   6
   7   interface
   8     real function A ()
   9     end function
  10   end interface
  11   real :: A  ! { dg-error "already has basic type of" }
  12
  13   real :: B
  14   interface
  15     real function B ()  ! { dg-error "already has basic type of" }
  16     end function  ! { dg-error "Expecting END INTERFACE statement" }
  17   end interface
  18
  19   interface
  20     function C ()
  21       real :: C
  22     end function
  23   end interface
  24   real :: C  ! { dg-error "already has basic type of" }
  25
  26   real :: D
  27   interface
  28     function D ()
  29       real :: D  ! { dg-error "already has basic type of" }
  30     end function
  31   end interface
  32
  33   interface
  34     function E () result (s)
  35       real ::s
  36     end function
  37   end interface
  38   real :: E  ! { dg-error "already has basic type of" }
  39
  40   real :: F
  41   interface
  42     function F () result (s)
  43       real ::s  ! { dg-error "already has basic type of" }
  44     end function F
  45   end interface
  46
  47 end
  48