gcc/testsuite/gfortran.dg/altreturn_3.f90

   1 ! { dg-do run }
   2 ! { dg-options "-std=gnu" }
   3 !
   4 ! Tests the fix for PR30236, which was due to alternate returns
   5 ! in generic interfaces causing a segfault.  They now work
   6 ! correctly.
   7 !
   8 ! Contributed by Brooks Moses <brooks@gcc.gnu.org>
   9 !
  10 module arswitch
  11   implicit none
  12   interface gen
  13     module procedure with
  14     module procedure without
  15   end interface
  16 contains
  17   subroutine with(i,*)
  18     integer i
  19     if (i>0) then
  20       i = -1
  21       return 1
  22     else
  23       i = -2
  24       return
  25     end if
  26   end subroutine
  27   subroutine without()
  28     return
  29   end subroutine
  30 end module
  31
  32 program test
  33   use arswitch
  34   implicit none
  35   integer :: i = 0
  36   call gen (i, *10)
  37   if (i /= -2) STOP 1
  38   i = 2
  39   call gen (i, *20)
  40  10 continue
  41   STOP 2
  42  20 continue
  43   if (i /= -1) STOP 3
  44 end