gcc/testsuite/gfortran.dg/assignment_1.f90

   1 ! { dg-do run }
   2 ! { dg-options -Wsurprising }
   3 integer, pointer :: p
   4 integer, target :: t, s
   5
   6 ! The tests for character pointers are currently commented out,
   7 ! because they don't yet work correctly.
   8 ! This is PR 17192
   9 !!$character*5, pointer :: d
  10 !!$character*5, target :: c, e
  11
  12 t = 1
  13 p => s
  14 ! We didn't dereference the pointer in the following line.
  15 p = f() ! { dg-warning "POINTER-valued function" }
  16 p = p+1
  17 if (p.ne.2) STOP 1
  18 if (p.ne.s) STOP 2
  19
  20 !!$! verify that we also dereference correctly the result of a function
  21 !!$! which returns its result by reference
  22 !!$c = "Hallo"
  23 !!$d => e
  24 !!$d = g() !  dg-warning "POINTER valued function" ""
  25 !!$if (d.ne."Hallo") STOP 3
  26
  27 contains
  28 function f()
  29 integer, pointer :: f
  30 f => t
  31 end function f
  32 !!$function g()
  33 !!$character, pointer :: g
  34 !!$g => c
  35 !!$end function g
  36 end