1 files changed, 67 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.fortran-torture/execute/der_io.f90 b/gcc/testsuite/gfortran.fortran-torture/execute/der_io.f90
new file mode 100644
index 00000000000..0e9b0716654
--- /dev/null
+++ b/gcc/testsuite/gfortran.fortran-torture/execute/der_io.f90
@@ -0,0 +1,67 @@
+! Program to test IO of derived types
+program derived_io
+  character(100) :: buf1, buf2, buf3
+
+  type xyz_type
+     integer :: x
+     character(11) :: y
+     logical :: z
+  end type xyz_type
+
+  type abcdef_type
+     integer :: a
+     logical :: b
+     type (xyz_type) :: c
+     integer :: d
+     real(4) :: e
+     character(11) :: f
+  end type abcdef_type
+
+  type (xyz_type), dimension(2) :: xyz
+  type (abcdef_type) abcdef
+
+  xyz(1)%x = 11111
+  xyz(1)%y = "hello world"
+  xyz(1)%z = .true.
+  xyz(2)%x = 0
+  xyz(2)%y = "go away"
+  xyz(2)%z = .false.
+
+  abcdef%a = 0
+  abcdef%b = .true.
+  abcdef%c%x = 111
+  abcdef%c%y = "bzz booo"
+  abcdef%c%z = .false.
+  abcdef%d = 3
+  abcdef%e = 4.0
+  abcdef%f = "kawabanga"
+
+  write (buf1, *), xyz(1)%x, xyz(1)%y, xyz(1)%z
+  ! Use function call to ensure it is only evaluated once
+  write (buf2, *), xyz(bar())
+  if (buf1.ne.buf2) call abort
+
+  write (buf1, *), abcdef
+  write (buf2, *), abcdef%a, abcdef%b, abcdef%c, abcdef%d, abcdef%e, abcdef%f
+  write (buf3, *), abcdef%a, abcdef%b, abcdef%c%x, abcdef%c%y, &
+                   abcdef%c%z, abcdef%d, abcdef%e, abcdef%f
+  if (buf1.ne.buf2) call abort
+  if (buf1.ne.buf3) call abort
+
+  call foo(xyz(1))
+
+  contains
+
+    subroutine foo(t)
+      type (xyz_type) t
+      write (buf1, *), t%x, t%y, t%z
+      write (buf2, *), t
+      if (buf1.ne.buf2) call abort
+    end subroutine foo
+
+    integer function bar()
+      integer, save :: i = 1
+      bar = i
+      i = i + 1
+    end function
+end