llvm-project/flang/test/Semantics/resolve57.f90

123 lines
3.0 KiB
Fortran

! RUN: %S/test_errors.sh %s %t %flang_fc1
! Tests for the last sentence of C1128:
!A variable-name that is not permitted to appear in a variable definition
!context shall not appear in a LOCAL or LOCAL_INIT locality-spec.
subroutine s1(arg)
real, intent(in) :: arg
! This is not OK because "arg" is "intent(in)"
!ERROR: INTENT IN argument 'arg' not allowed in a locality-spec
do concurrent (i=1:5) local(arg)
end do
end subroutine s1
subroutine s2(arg)
real, value, intent(in) :: arg
! This is not OK even though "arg" has the "value" attribute. C1128
! explicitly excludes dummy arguments of INTENT(IN)
!ERROR: INTENT IN argument 'arg' not allowed in a locality-spec
do concurrent (i=1:5) local(arg)
end do
end subroutine s2
module m3
real, protected :: prot
real var
contains
subroutine sub()
! C857 This is OK because of the "protected" attribute only applies to
! accesses outside the module
do concurrent (i=1:5) local(prot)
end do
end subroutine sub
endmodule m3
subroutine s4()
use m3
! C857 This is not OK because of the "protected" attribute
!ERROR: 'prot' may not appear in a locality-spec because it is not definable
do concurrent (i=1:5) local(prot)
end do
! C857 This is OK because of there's no "protected" attribute
do concurrent (i=1:5) local(var)
end do
end subroutine s4
subroutine s5()
real :: a, b, c, d, e
associate (a => b + c, d => e)
b = 3.0
! C1101 This is OK because 'd' is associated with a variable
do concurrent (i=1:5) local(d)
end do
! C1101 This is not OK because 'a' is not associated with a variable
!ERROR: 'a' may not appear in a locality-spec because it is not definable
do concurrent (i=1:5) local(a)
end do
end associate
end subroutine s5
subroutine s6()
type point
real :: x, y
end type point
type, extends(point) :: color_point
integer :: color
end type color_point
type(point), target :: c, d
class(point), pointer :: p_or_c
p_or_c => c
select type ( a => p_or_c )
type is ( point )
! C1158 This is OK because 'a' is associated with a variable
do concurrent (i=1:5) local(a)
end do
end select
select type ( a => func() )
type is ( point )
! C1158 This is not OK because 'a' is not associated with a variable
!ERROR: 'a' may not appear in a locality-spec because it is not definable
do concurrent (i=1:5) local(a)
end do
end select
contains
function func()
class(point), pointer :: func
func => c
end function func
end subroutine s6
module m4
real, protected :: prot
real var
endmodule m4
pure subroutine s7()
use m4
! C1594 This is not OK because we're in a PURE subroutine
!ERROR: 'var' may not appear in a locality-spec because it is not definable
do concurrent (i=1:5) local(var)
end do
end subroutine s7
subroutine s8()
integer, parameter :: iconst = 343
!ERROR: 'iconst' may not appear in a locality-spec because it is not definable
do concurrent (i=1:5) local(iconst)
end do
end subroutine s8