| ! { dg-do run } |
| 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
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| 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 |