llvm-project/flang/test/Semantics/resolve108.f90

70 lines
1.4 KiB
Fortran

! RUN: %python %S/test_errors.py %s %flang_fc1
! Tests attempts at forward references to local names in a FUNCTION prefix
! This case is not an error, but will elicit bogus errors if the
! result type of the function is badly resolved.
module m1
type t1
sequence
integer not_m
end type
contains
type(t1) function foo(n)
integer, intent(in) :: n
type t1
sequence
integer m
end type
foo%m = n
end function
end module
subroutine s1
use :: m1, only: foo
type t1
sequence
integer m
end type
type(t1) x
x = foo(234)
print *, x
end subroutine
module m2
integer, parameter :: k = kind(1.e0)
contains
real(kind=k) function foo(n)
integer, parameter :: k = kind(1.d0)
integer, intent(in) :: n
foo = n
end function
end module
subroutine s2
use :: m2, only: foo
!If we got the type of foo right, this declaration will fail
!due to an attempted division by zero.
!ERROR: Must be a constant value
integer, parameter :: test = 1 / (kind(foo(1)) - kind(1.e0))
end subroutine
module m3
integer, parameter :: k = kind(1.e0)
contains
real(kind=kind(x)) function foo(x)
!ERROR: The type of 'x' has already been implicitly declared
real(kind=kind(1.0d0)) x
foo = n
end function
end module
module m4
contains
!ERROR: Must be a constant value
real(n) function foo(x)
integer, parameter :: n = kind(foo)
real(n), intent(in) :: x
foo = x
end function
end module