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! { dg-do compile }

! { dg-options "-std=legacy" }

! PR15966, PR18781 & PR16531

implicit none

complex(kind=8) x(2)

complex a(2,2)

character*4 z

character z1(4)

character*4 z2(2,2)

character*80 line

integer i

logical l

real r

character*8 c

data x /16Habcdefghijklmnop, 16Hqrstuvwxyz012345/

data a /8H(i3),abc, 0, 4H(i4), 8H    (i9)/

data z/4h(i5)/

data z1/1h(,1hi,1h6,1h)/

data z2/4h(i7),'xxxx','xxxx','xxxx'/

z2 (1,2) = 4h(i8)

i = 4hHell

l = 4Ho wo      ! { dg-warning "has undefined result" }

r = 4Hrld!

write (line, '(3A4)') i, l, r

if (line .ne. 'Hello world!') call abort

i = 2Hab

r = 2Hab

l = 2Hab        ! { dg-warning "has undefined result" }

c = 2Hab

write (line, '(3A4, 8A)') i, l, r, c

if (line .ne. 'ab  ab  ab  ab      ') call abort

write(line, '(4A8, "!")' ) x

if (line .ne. 'abcdefghijklmnopqrstuvwxyz012345!') call abort

write (line, a) 3

if (line .ne. '  3') call abort

write (line, a (1,2)) 4

if (line .ne. '   4') call abort

write (line, z) 5

if (line .ne. '    5') call abort

write (line, z1) 6

if (line .ne. '     6') call abort

write (line, z2) 7

if (line .ne. '      7') call abort

write (line, z2 (1,2)) 8

if (line .ne. '       8') call abort

write (line, '(16A)') z2

if (line .ne. '(i7)xxxx(i8)xxxx') call abort

call test (8h   hello)

end

subroutine test (h)

integer(kind=8) h

character*80 line

write (line, '(8a)') h

if (line .ne. '   hello') call abort

end subroutine