gcc/testsuite/gfortran.dg/whole_file_10.f90

   1 ! { dg-do compile }
   2 ! Test the fix for the fifth problem in PR40011, where the
   3 ! entries were not resolved, resulting in a segfault.
   4 !
   5 ! Contributed by Dominique d'Humieres <dominiq@lps.ens.fr>
   6 !
   7 recursive function fac(i) result (res)
   8   integer :: i, j, k, res
   9   k = 1
  10   goto 100
  11 entry bifac(i,j) result (res)
  12   k = j
  13 100 continue
  14   if (i < k) then
  15     res = 1
  16   else
  17     res = i * bifac(i-k,k)
  18   end if
  19 end function
  20
  21 program test
  22   external fac
  23   external bifac
  24   integer :: fac, bifac
  25   print *, fac(5)
  26   print *, bifac(5,2)
  27   print*, fac(6)
  28   print *, bifac(6,2)
  29   print*, fac(0)
  30   print *, bifac(1,2)
  31 end program test