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! { dg-do run }
! PR26766 Recursive I/O with internal units
! Test case derived from example in PR
! Submitted by Jerry DeLisle <jvdelisle@gcc.gnu.org>
program pr26766
implicit none
character (len=8) :: str, tmp
write (str, '(a)') bar (1234)
if (str.ne."abcd") call abort()
str = "wxyz"
write (str, '(2a4)') foo (1), bar (1)
if (str.ne."abcdabcd") call abort()
contains
function foo (i) result (s)
integer, intent(in) :: i
character (len=4) :: s, t
if (i < 0) then
s = "1234"
else
! Internal I/O, allowed recursive in f2003, see section 9.11
write (s, '(a)') "abcd"
end if
end function foo
function bar (i) result (s)
integer, intent(in) :: i
character (len=4) :: s, t
if (i < 0) then
s = "4567"
else
write (s, '(a)') foo(i)
end if
end function bar
end program pr26766
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