gcc/testsuite/gfortran.dg/alloc_comp_assign_5.f90

   1 ! { dg-do run }
   2 ! { dg-options "-O2" }
   3 ! Tests the fix for PR29428, in which the assignment of
   4 ! a function result would result in the function being
   5 ! called twice, if it were not a result by reference,
   6 ! because of a spurious nullify in gfc_trans_scalar_assign.
   7 !
   8 ! Contributed by Paul Thomas  <pault@gcc.gnu.org>
   9 !
  10 program test
  11 implicit none
  12
  13   type A
  14     integer, allocatable :: j(:)
  15   end type A
  16
  17   type(A):: x
  18   integer :: ctr = 0
  19
  20   x = f()
  21
  22   if (ctr /= 1) call abort ()
  23
  24 contains
  25
  26   function f()
  27     type(A):: f
  28       ctr = ctr + 1
  29       f = A ((/1,2/))
  30   end function f
  31
  32 end program
  33