fix pr/45972
[official-gcc.git] / gcc / testsuite / gfortran.dg / forall_12.f90
blob207977c51440356f07408ada7517f417da87dd1c
1 ! { dg-do run }
2 ! Tests the fix for PR31217 and PR33811 , in which dependencies were not
3 ! correctly handled for the assignments below and, when this was fixed,
4 ! the last two ICEd on trying to create the temorary.
6 ! Contributed by Joost VandeVondele <jv244@cam.ac.uk>
7 ! Dominique d'Humieres <dominiq@lps.ens.fr>
8 ! and Paul Thomas <pault@gcc.gnu.org>
10 character(len=1) :: a = "1"
11 character(len=1) :: b(4) = (/"1","2","3","4"/), c(4)
12 c = b
13 forall(i=1:1) a(i:i) = a(i:i) ! This was the original PR31217
14 forall(i=1:1) b(i:i) = b(i:i) ! The rest were found to be broken
15 forall(i=1:1) b(:)(i:i) = b(:)(i:i)
16 forall(i=1:1) b(1:3)(i:i) = b(2:4)(i:i)
17 if (any (b .ne. (/"2","3","4","4"/))) call abort ()
18 b = c
19 forall(i=1:1) b(2:4)(i:i) = b(1:3)(i:i)
20 if (any (b .ne. (/"1","1","2","3"/))) call abort ()
21 b = c
22 do i = 1, 1
23 b(2:4)(i:i) = b(1:3)(i:i) ! This was PR33811 and Paul's bit
24 end do
25 if (any (b .ne. (/"1","1","2","3"/))) call abort ()
26 call foo
27 contains
28 subroutine foo
29 character(LEN=12) :: a(2) = "123456789012"
30 character(LEN=12) :: b = "123456789012"
31 ! These are Dominique's
32 forall (i = 3:10) a(:)(i:i+2) = a(:)(i-2:i)
33 IF (a(1) .ne. "121234567890") CALL abort ()
34 forall (i = 3:10) a(2)(i:i+2) = a(1)(i-2:i)
35 IF (a(2) .ne. "121212345678") call abort ()
36 forall (i = 3:10) b(i:i+2) = b(i-2:i)
37 IF (b .ne. "121234567890") CALL abort ()
38 end subroutine
39 end