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! { dg-do run }
!
! Automatic reallocate on assignment, deferred length parameter for char
!
! PR fortran/45170
! PR fortran/35810
! PR fortran/47350
!
! Contributed by Tobias Burnus <burnus@gcc.gnu.org>
!
program test
implicit none
call mold_check()
call mold_check4()
call source_check()
call source_check4()
call ftn_test()
call ftn_test4()
call source3()
contains
subroutine source_check()
character(len=:), allocatable :: str, str2
target :: str
character(len=8) :: str3
character(len=:), pointer :: str4, str5
nullify(str4)
str3 = 'AbCdEfGhIj'
if(allocated(str)) call abort()
allocate(str, source=str3)
if(.not.allocated(str)) call abort()
if(len(str) /= 8) call abort()
if(str /= 'AbCdEfGh') call abort()
if(associated(str4)) call abort()
str4 => str
if(str4 /= str .or. len(str4)/=8) call abort()
if(.not.associated(str4, str)) call abort()
str4 => null()
str = '12a56b78'
if(str4 == '12a56b78') call abort()
str4 = 'ABCDEFGH'
if(str == 'ABCDEFGH') call abort()
allocate(str5, source=str)
if(associated(str5, str)) call abort()
if(str5 /= '12a56b78' .or. len(str5)/=8) call abort()
str = 'abcdef'
if(str5 == 'abcdef') call abort()
str5 = 'ABCDEF'
if(str == 'ABCDEF') call abort()
end subroutine source_check
subroutine source_check4()
character(kind=4,len=:), allocatable :: str, str2
target :: str
character(kind=4,len=8) :: str3
character(kind=4,len=:), pointer :: str4, str5
nullify(str4)
str3 = 4_'AbCdEfGhIj'
if(allocated(str)) call abort()
allocate(str, source=str3)
if(.not.allocated(str)) call abort()
if(len(str) /= 8) call abort()
if(str /= 4_'AbCdEfGh') call abort()
if(associated(str4)) call abort()
str4 => str
if(str4 /= str .or. len(str4)/=8) call abort()
if(.not.associated(str4, str)) call abort()
str4 => null()
str = 4_'12a56b78'
if(str4 == 4_'12a56b78') call abort()
str4 = 4_'ABCDEFGH'
if(str == 4_'ABCDEFGH') call abort()
allocate(str5, source=str)
if(associated(str5, str)) call abort()
if(str5 /= 4_'12a56b78' .or. len(str5)/=8) call abort()
str = 4_'abcdef'
if(str5 == 4_'abcdef') call abort()
str5 = 4_'ABCDEF'
if(str == 4_'ABCDEF') call abort()
end subroutine source_check4
subroutine mold_check()
character(len=:), allocatable :: str, str2
character(len=8) :: str3
character(len=:), pointer :: str4, str5
nullify(str4)
str2 = "ABCE"
ALLOCATE( str, MOLD=str3)
if (len(str) /= 8) call abort()
DEALLOCATE(str)
ALLOCATE( str, MOLD=str2)
if (len(str) /= 4) call abort()
IF (associated(str4)) call abort()
ALLOCATE( str4, MOLD=str3)
IF (.not.associated(str4)) call abort()
str4 = '12345678'
if (len(str4) /= 8) call abort()
if(str4 /= '12345678') call abort()
DEALLOCATE(str4)
ALLOCATE( str4, MOLD=str2)
str4 = 'ABCD'
if (len(str4) /= 4) call abort()
if (str4 /= 'ABCD') call abort()
str5 => str4
if(.not.associated(str4,str5)) call abort()
if(len(str5) /= 4 .or. len(str4) /= len(str5)) call abort()
if(str5 /= str4) call abort()
deallocate(str4)
end subroutine mold_check
subroutine mold_check4()
character(len=:,kind=4), allocatable :: str, str2
character(len=8,kind=4) :: str3
character(len=:,kind=4), pointer :: str4, str5
nullify(str4)
str2 = 4_"ABCE"
ALLOCATE( str, MOLD=str3)
if (len(str) /= 8) call abort()
DEALLOCATE(str)
ALLOCATE( str, MOLD=str2)
if (len(str) /= 4) call abort()
IF (associated(str4)) call abort()
ALLOCATE( str4, MOLD=str3)
IF (.not.associated(str4)) call abort()
str4 = 4_'12345678'
if (len(str4) /= 8) call abort()
if(str4 /= 4_'12345678') call abort()
DEALLOCATE(str4)
ALLOCATE( str4, MOLD=str2)
str4 = 4_'ABCD'
if (len(str4) /= 4) call abort()
if (str4 /= 4_'ABCD') call abort()
str5 => str4
if(.not.associated(str4,str5)) call abort()
if(len(str5) /= 4 .or. len(str4) /= len(str5)) call abort()
if(str5 /= str4) call abort()
deallocate(str4)
end subroutine mold_check4
subroutine ftn_test()
character(len=:), allocatable :: str_a
character(len=:), pointer :: str_p
nullify(str_p)
call proc_test(str_a, str_p, .false.)
if (str_p /= '123457890abcdef') call abort()
if (len(str_p) /= 50) call abort()
if (str_a(1:5) /= 'ABCDE ') call abort()
if (len(str_a) /= 50) call abort()
deallocate(str_p)
str_a = '1245'
if(len(str_a) /= 4) call abort()
if(str_a /= '1245') call abort()
allocate(character(len=6) :: str_p)
if(len(str_p) /= 6) call abort()
str_p = 'AbCdEf'
call proc_test(str_a, str_p, .true.)
if (str_p /= '123457890abcdef') call abort()
if (len(str_p) /= 50) call abort()
if (str_a(1:5) /= 'ABCDE ') call abort()
if (len(str_a) /= 50) call abort()
deallocate(str_p)
end subroutine ftn_test
subroutine proc_test(a, p, alloc)
character(len=:), allocatable :: a
character(len=:), pointer :: p
character(len=5), target :: loc
logical :: alloc
if (.not. alloc) then
if(associated(p)) call abort()
if(allocated(a)) call abort()
else
if(len(a) /= 4) call abort()
if(a /= '1245') call abort()
if(len(p) /= 6) call abort()
if(p /= 'AbCdEf') call abort()
deallocate(a)
nullify(p)
end if
allocate(character(len=50) :: a)
a(1:5) = 'ABCDE'
if(len(a) /= 50) call abort()
if(a(1:5) /= "ABCDE") call abort()
loc = '12345'
p => loc
if (len(p) /= 5) call abort()
if (p /= '12345') call abort()
p = '12345679'
if (len(p) /= 5) call abort()
if (p /= '12345') call abort()
p = 'ABC'
if (loc /= 'ABC ') call abort()
allocate(p, mold=a)
if (.not.associated(p)) call abort()
p = '123457890abcdef'
if (p /= '123457890abcdef') call abort()
if (len(p) /= 50) call abort()
end subroutine proc_test
subroutine ftn_test4()
character(len=:,kind=4), allocatable :: str_a
character(len=:,kind=4), pointer :: str_p
nullify(str_p)
call proc_test4(str_a, str_p, .false.)
if (str_p /= 4_'123457890abcdef') call abort()
if (len(str_p) /= 50) call abort()
if (str_a(1:5) /= 4_'ABCDE ') call abort()
if (len(str_a) /= 50) call abort()
deallocate(str_p)
str_a = 4_'1245'
if(len(str_a) /= 4) call abort()
if(str_a /= 4_'1245') call abort()
allocate(character(len=6, kind = 4) :: str_p)
if(len(str_p) /= 6) call abort()
str_p = 4_'AbCdEf'
call proc_test4(str_a, str_p, .true.)
if (str_p /= 4_'123457890abcdef') call abort()
if (len(str_p) /= 50) call abort()
if (str_a(1:5) /= 4_'ABCDE ') call abort()
if (len(str_a) /= 50) call abort()
deallocate(str_p)
end subroutine ftn_test4
subroutine proc_test4(a, p, alloc)
character(len=:,kind=4), allocatable :: a
character(len=:,kind=4), pointer :: p
character(len=5,kind=4), target :: loc
logical :: alloc
if (.not. alloc) then
if(associated(p)) call abort()
if(allocated(a)) call abort()
else
if(len(a) /= 4) call abort()
if(a /= 4_'1245') call abort()
if(len(p) /= 6) call abort()
if(p /= 4_'AbCdEf') call abort()
deallocate(a)
nullify(p)
end if
allocate(character(len=50,kind=4) :: a)
a(1:5) = 4_'ABCDE'
if(len(a) /= 50) call abort()
if(a(1:5) /= 4_"ABCDE") call abort()
loc = '12345'
p => loc
if (len(p) /= 5) call abort()
if (p /= 4_'12345') call abort()
p = 4_'12345679'
if (len(p) /= 5) call abort()
if (p /= 4_'12345') call abort()
p = 4_'ABC'
if (loc /= 4_'ABC ') call abort()
allocate(p, mold=a)
if (.not.associated(p)) call abort()
p = 4_'123457890abcdef'
if (p /= 4_'123457890abcdef') call abort()
if (len(p) /= 50) call abort()
end subroutine proc_test4
subroutine source3()
character(len=:, kind=1), allocatable :: a1
character(len=:, kind=4), allocatable :: a4
character(len=:, kind=1), pointer :: p1
character(len=:, kind=4), pointer :: p4
allocate(a1, source='ABC') ! << ICE
if(len(a1) /= 3 .or. a1 /= 'ABC') call abort()
allocate(a4, source=4_'12345') ! << ICE
if(len(a4) /= 5 .or. a4 /= 4_'12345') call abort()
allocate(p1, mold='AB') ! << ICE
if(len(p1) /= 2) call abort()
allocate(p4, mold=4_'145') ! << ICE
if(len(p4) /= 3) call abort()
end subroutine source3
end program test
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