gcc/testsuite/gfortran.dg/array_memcpy_2.f90

   1 ! This checks that the "z = y" assignment is not considered copyable, as the
   2 ! array is of a derived type containing allocatable components.  Hence, we
   3 ! we should expand the scalarized loop, which contains *two* memcpy calls.
   4 ! { dg-do compile }
   5 ! { dg-options "-O2 -fdump-tree-original" }
   6
   7   type :: a
   8     integer, allocatable :: i(:)
   9   end type a
  10
  11   type :: b
  12     type (a), allocatable :: at(:)
  13   end type b
  14
  15   type(b) :: y(2), z(2)
  16
  17   z = y
  18 end
  19 ! { dg-final { scan-tree-dump-times "memcpy" 2 "original" } }