45 lines
1.4 KiB
Fortran
45 lines
1.4 KiB
Fortran
! { dg-do run }
|
|
! { dg-options "-std=legacy" }
|
|
!
|
|
program char_pointer_assign
|
|
! Test character pointer assignments, required
|
|
! to fix PR18890 and PR21297
|
|
! Provided by Paul Thomas pault@gcc.gnu.org
|
|
implicit none
|
|
character*4, target :: t1
|
|
character*4, target :: t2(4) =(/"lmno","lmno","lmno","lmno"/)
|
|
character*4 :: const
|
|
character*4, pointer :: c1, c3
|
|
character*4, pointer :: c2(:), c4(:)
|
|
allocate (c3, c4(4))
|
|
! Scalars first.
|
|
c3 = "lmno" ! pointer = constant
|
|
t1 = c3 ! target = pointer
|
|
c1 => t1 ! pointer =>target
|
|
c1(2:3) = "nm"
|
|
c3 = c1 ! pointer = pointer
|
|
c3(1:1) = "o"
|
|
c3(4:4) = "l"
|
|
c1 => c3 ! pointer => pointer
|
|
if (t1 /= "lnmo") call abort ()
|
|
if (c1 /= "onml") call abort ()
|
|
|
|
! Now arrays.
|
|
c4 = "lmno" ! pointer = constant
|
|
t2 = c4 ! target = pointer
|
|
c2 => t2 ! pointer =>target
|
|
const = c2(1)
|
|
const(2:3) ="nm" ! c2(:)(2:3) = "nm" is still broken
|
|
c2 = const
|
|
c4 = c2 ! pointer = pointer
|
|
const = c4(1)
|
|
const(1:1) ="o" ! c4(:)(1:1) = "o" is still broken
|
|
const(4:4) ="l" ! c4(:)(4:4) = "l" is still broken
|
|
c4 = const
|
|
c2 => c4 ! pointer => pointer
|
|
if (any (t2 /= "lnmo")) call abort ()
|
|
if (any (c2 /= "onml")) call abort ()
|
|
deallocate (c3, c4)
|
|
end program char_pointer_assign
|
|
|