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! { dg-do run }
! PR fortran/110360 - ABI for scalar character(len=1),value dummy argument
program p
implicit none
character, allocatable :: ca
character, pointer :: cp
character(len=:), allocatable :: cd
character (kind=4), allocatable :: ca4
character (kind=4), pointer :: cp4
character(len=:,kind=4), allocatable :: cd4
integer :: a = 65
allocate (ca, cp, ca4, cp4)
! Check len=1 actual argument cases first
ca = "a"; cp = "b"; cd = "c"
ca4 = 4_"d"; cp4 = 4_"e"; cd4 = 4_"f"
call val ("B","B")
call val ("A",char(65))
call val ("A",char(a))
call val ("A",mychar(65))
call val ("A",mychar(a))
call val4 (4_"C",4_"C")
call val4 (4_"A",char(65,kind=4))
call val4 (4_"A",char(a, kind=4))
call val (ca,ca)
call val (cp,cp)
call val (cd,cd)
call val4 (ca4,ca4)
call val4 (cp4,cp4)
call val4 (cd4,cd4)
call sub ("S")
call sub4 (4_"T")
! Check that always the first character of the string is finally used
call val ( "U++", "U--")
call val4 (4_"V**",4_"V//")
call sub ( "WTY")
call sub4 (4_"ZXV")
cd = "gkl"; cd4 = 4_"hmn"
call val (cd,cd)
call val4 (cd4,cd4)
call sub (cd)
call sub4 (cd4)
deallocate (ca, cp, ca4, cp4, cd, cd4)
contains
subroutine val (x, c)
character(kind=1), intent(in) :: x ! control: pass by reference
character(kind=1), value :: c
print *, "by value(kind=1): ", c
if (c /= x) stop 1
c = "*"
if (c /= "*") stop 2
end
subroutine val4 (x, c)
character(kind=4), intent(in) :: x ! control: pass by reference
character(kind=4), value :: c
print *, "by value(kind=4): ", c
if (c /= x) stop 3
c = 4_"#"
if (c /= 4_"#") stop 4
end
subroutine sub (s)
character(*), intent(in) :: s
call val (s, s)
end
subroutine sub4 (s)
character(kind=4,len=*), intent(in) :: s
call val4 (s, s)
end
character function mychar (i)
integer, intent(in) :: i
mychar = char (i)
end
end
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