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+! { dg-do run }
+! Tests the patch to implement the array version of the TRANSFER
+! intrinsic (PR17298).
+! Contributed by Paul Thomas <pault@gcc.gnu.org>
+
+! Bigendian test posted by Perseus in comp.lang.fortran on 4 July 2005.
+! Original had parameter but this fails, at present, if is_gimple_var with -Ox, x>0
+
+ LOGICAL :: bigend
+ integer :: icheck = 1
+
+ character(8) :: ch(2) = (/"lmnoPQRS","LMNOpqrs"/)
+
+ bigend = IACHAR(TRANSFER(icheck,"a")) == 0
+
+! tests numeric transfers other than original testscase.
+
+ call test1 ()
+
+! tests numeric/character transfers.
+
+ call test2 ()
+
+! Test dummies, automatic objects and assumed character length.
+
+ call test3 (ch, ch, ch, 8)
+
+contains
+
+ subroutine test1 ()
+ real(4) :: a(4, 4)
+ integer(2) :: it(4, 2, 4), jt(32)
+
+! Check multi-dimensional sources and that transfer works as an actual
+! argument of reshape.
+
+ a = reshape ((/(rand (), i = 1, 16)/), (/4,4/))
+ jt = transfer (a, it)
+ it = reshape (jt, (/4, 2, 4/))
+ if (any (reshape (transfer (it, a), (/4,4/)) .ne. a)) call abort ()
+
+ end subroutine test1
+
+ subroutine test2 ()
+ integer(4) :: y(4), z(2)
+ character(4) :: ch(4)
+
+! Allow for endian-ness
+ if (bigend) then
+ y = (/(i + 3 + ishft (i + 2, 8) + ishft (i + 1, 16) &
+ + ishft (i, 24), i = 65, 80 , 4)/)
+ else
+ y = (/(i + ishft (i + 1, 8) + ishft (i + 2, 16) &
+ + ishft (i + 3, 24), i = 65, 80 , 4)/)
+ end if
+
+! Check source array sections in both directions.
+
+ ch = "wxyz"
+ ch(1:2) = transfer (y(2:4:2), ch)
+ if (any (ch(1:2) .ne. (/"EFGH","MNOP"/))) call abort ()
+ ch = "wxyz"
+ ch(1:2) = transfer (y(4:2:-2), ch)
+ if (any (ch(1:2) .ne. (/"MNOP","EFGH"/))) call abort ()
+
+! Check that a complete array transfers with size absent.
+
+ ch = transfer (y, ch)
+ if (any (ch .ne. (/"ABCD","EFGH","IJKL","MNOP"/))) call abort ()
+
+! Check that a character array section is OK
+
+ z = transfer (ch(2:3), y)
+ if (any (z .ne. y(2:3))) call abort ()
+
+! Check dest array sections in both directions.
+
+ ch = "wxyz"
+ ch(3:4) = transfer (y, ch, 2)
+ if (any (ch(3:4) .ne. (/"ABCD","EFGH"/))) call abort ()
+ ch = "wxyz"
+ ch(3:2:-1) = transfer (y, ch, 2)
+ if (any (ch(2:3) .ne. (/"EFGH","ABCD"/))) call abort ()
+
+! Make sure that character to numeric is OK.
+
+ ch = "wxyz"
+ ch(1:2) = transfer (y, ch, 2)
+ if (any (ch(1:2) .ne. (/"ABCD","EFGH"/))) call abort ()
+
+ z = transfer (ch, y)
+ if (any (y(1:2) .ne. z)) call abort ()
+
+ end subroutine test2
+
+ subroutine test3 (ch1, ch2, ch3, clen)
+ integer clen
+ character(8) :: ch1(:)
+ character(*) :: ch2(2)
+ character(clen) :: ch3(2)
+ character(8) :: cntrl(2) = (/"lmnoPQRS","LMNOpqrs"/)
+ integer(8) :: ic(2)
+ ic = transfer (cntrl, ic)
+
+! Check assumed shape.
+
+ if (any (ic .ne. transfer (ch1, ic))) call abort ()
+
+! Check assumed character length.
+
+ if (any (ic .ne. transfer (ch2, ic))) call abort ()
+
+! Check automatic character length.
+
+ if (any (ic .ne. transfer (ch3, ic))) call abort ()
+
+ end subroutine test3
+
+end