gcc/testsuite/gfortran.dg/external_procedures_2.f90

   1 ! { dg-do compile }
   2 ! Tests the for PR30410, in which the reference to extfunc would
   3 ! be incorrectly made to the module namespace.
   4 !
   5 ! Contributed by Harald Anlauf <anlauf@gmx.de>
   6 !
   7 module mod1
   8 contains
   9   function eval (func, x1)
  10     real     :: eval, func, x1
  11     external :: func
  12     eval = func (x1)
  13   end function eval
  14 end module mod1
  15 !-------------------------------
  16 module mod2
  17   use mod1, only : eval
  18   real, external :: extfunc     ! This was referenced as __mod2__extfunc__
  19 contains
  20
  21   subroutine foo (x0)
  22     real :: x0, x1
  23     x1 = 42
  24     x0 = eval (extfunc, x1)
  25   end subroutine foo
  26
  27 end module mod2
  28 !-------------------------------
  29 function extfunc (x)
  30   real, intent(in) ::  x
  31   real             ::  extfunc
  32   extfunc = x
  33 end function extfunc
  34 !-------------------------------
  35 program gfcbug53
  36   use mod2, only : foo
  37   real :: x0 = 0
  38   call foo (x0)
  39   print *, x0
  40 end program gfcbug53