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! { dg-do compile }
! { dg-options "-std=legacy" }
!
! PR20879
! Check that we reject expressions longer than one character for the
! ICHAR and IACHAR intrinsics.
! Assumed length variables are special because the frontend doesn't have
! an expression for their length
subroutine test (c)
character(len=*) :: c
integer i
i = ichar(c)
i = ichar(c(2:))
i = ichar(c(:1))
end subroutine
program ichar_1
type derivedtype
character(len=4) :: addr
end type derivedtype
type derivedtype1
character(len=1) :: addr
end type derivedtype1
integer i
integer, parameter :: j = 2
character(len=8) :: c = 'abcd'
character(len=1) :: g1(2)
character(len=1) :: g2(2,2)
character*1, parameter :: s1 = 'e'
character*2, parameter :: s2 = 'ef'
type(derivedtype) :: dt
type(derivedtype1) :: dt1
if (ichar(c(3:3)) /= 97) call abort
if (ichar(c(:1)) /= 97) call abort
if (ichar(c(j:j)) /= 98) call abort
if (ichar(s1) /= 101) call abort
if (ichar('f') /= 102) call abort
g1(1) = 'a'
if (ichar(g1(1)) /= 97) call abort
if (ichar(g1(1)(:)) /= 97) call abort
g2(1,1) = 'a'
if (ichar(g2(1,1)) /= 97) call abort
i = ichar(c) ! { dg-error "must be of length one" "" }
i = ichar(c(:)) ! { dg-error "must be of length one" "" }
i = ichar(s2) ! { dg-error "must be of length one" "" }
i = ichar(c(1:2)) ! { dg-error "must be of length one" "" }
i = ichar(c(1:)) ! { dg-error "must be of length one" "" }
i = ichar('abc') ! { dg-error "must be of length one" "" }
! ichar and iachar use the same checking routines. DO a couple of tests to
! make sure it's not totally broken.
if (ichar(c(3:3)) /= 97) call abort
i = ichar(c) ! { dg-error "must be of length one" "" }
i = ichar(dt%addr(1:1))
i = ichar(dt%addr) ! { dg-error "must be of length one" "" }
i = ichar(dt%addr(1:2)) ! { dg-error "must be of length one" "" }
i = ichar(dt%addr(1:)) ! { dg-error "must be of length one" "" }
i = ichar(dt1%addr(1:1))
i = ichar(dt1%addr)
call test(g1(1))
end program ichar_1
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