6b9716b7f4
Whole assumed-size arrays are generally not allowed outside specific contexts, where expression analysis notes that they can appear. But contexts can nest, and in the case of an actual argument that turns out to be an array constructor, the permission to use a whole assumed-size array must be rescinded. Fixes https://github.com/llvm/llvm-project/issues/131909.
101 lines
4.3 KiB
Fortran
101 lines
4.3 KiB
Fortran
! RUN: %python %S/test_errors.py %s %flang_fc1
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! Confirm enforcement of constraints and restrictions in 7.8
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! C7110, C7111, C7112, C7113, C7114, C7115
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subroutine arrayconstructorvalues(asize)
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integer :: intarray(4)
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integer(KIND=8) :: k8 = 20
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integer, intent(in) :: asize(*)
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TYPE EMPLOYEE
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INTEGER AGE
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CHARACTER (LEN = 30) NAME
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END TYPE EMPLOYEE
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TYPE EMPLOYEER
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CHARACTER (LEN = 30) NAME
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END TYPE EMPLOYEER
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TYPE(EMPLOYEE) :: emparray(3)
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class(*), pointer :: unlim_polymorphic
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TYPE, ABSTRACT :: base_type
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INTEGER :: CARPRIZE
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END TYPE
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! Different declared type
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!ERROR: Values in array constructor must have the same declared type when no explicit type appears
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intarray = (/ 1, 2, 3, 4., 5/) ! C7110
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! Different kind type parameter
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!ERROR: Values in array constructor must have the same declared type when no explicit type appears
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intarray = (/ 1,2,3,4, k8 /) ! C7110
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! C7111
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!ERROR: Value in array constructor of type 'LOGICAL(4)' could not be converted to the type of the array 'INTEGER(4)'
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intarray = [integer:: .true., 2, 3, 4, 5]
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!ERROR: Value in array constructor of type 'CHARACTER(KIND=1,LEN=22_8)' could not be converted to the type of the array 'INTEGER(4)'
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intarray = [integer:: "RAM stores information", 2, 3, 4, 5]
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!ERROR: Value in array constructor of type 'employee' could not be converted to the type of the array 'INTEGER(4)'
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intarray = [integer:: EMPLOYEE (19, "Jack"), 2, 3, 4, 5]
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! C7112
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!ERROR: Dimension 1 of left-hand side has extent 3, but right-hand side has extent 2
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!ERROR: Value in array constructor of type 'INTEGER(4)' could not be converted to the type of the array 'employee'
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emparray = (/ EMPLOYEE:: EMPLOYEE(19, "Ganesh"), EMPLOYEE(22, "Omkar"), 19 /)
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!ERROR: Dimension 1 of left-hand side has extent 3, but right-hand side has extent 2
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!ERROR: Value in array constructor of type 'employeer' could not be converted to the type of the array 'employee'
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emparray = (/ EMPLOYEE:: EMPLOYEE(19, "Ganesh"), EMPLOYEE(22, "Ram"),EMPLOYEER("ShriniwasPvtLtd") /)
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! C7113
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!ERROR: Cannot have an unlimited polymorphic value in an array constructor
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intarray = (/ unlim_polymorphic, 2, 3, 4, 5/)
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! C7114, F'2023 C7125
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!ERROR: No intrinsic or user-defined ASSIGNMENT(=) matches operand types INTEGER(4) and TYPE(base_type)
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!ERROR: ABSTRACT derived type 'base_type' may not be used in a structure constructor
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!ERROR: An item whose declared type is ABSTRACT may not appear in an array constructor
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!ERROR: Values in array constructor must have the same declared type when no explicit type appears
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intarray = (/ base_type(10), 2, 3, 4, 5 /)
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!ERROR: Item is not suitable for use in an array constructor
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intarray(1:1) = [ arrayconstructorvalues ]
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!ERROR: Whole assumed-size array 'asize' may not appear here without subscripts
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intarray = [ asize ]
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end subroutine arrayconstructorvalues
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subroutine checkC7115()
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real, dimension(10), parameter :: good1 = [(99.9, i = 1, 10)]
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real, dimension(100), parameter :: good2 = [((88.8, i = 1, 10), j = 1, 10)]
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real, dimension(-1:0), parameter :: good3 = [77.7, 66.6]
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!ERROR: Implied DO index 'i' is active in a surrounding implied DO loop and may not have the same name
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real, dimension(100), parameter :: bad = [((88.8, i = 1, 10), i = 1, 10)]
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!ERROR: Value of named constant 'bad2' ([INTEGER(4)::(int(j,kind=4),INTEGER(8)::j=1_8,1_8,0_8)]) cannot be computed as a constant value
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!ERROR: The stride of an implied DO loop must not be zero
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integer, parameter :: bad2(*) = [(j, j=1,1,0)]
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integer, parameter, dimension(-1:0) :: negLower = (/343,512/)
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integer, parameter, dimension(-1:0) :: negLower1 = ((/343,512/))
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real :: local
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local = good3(0)
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!ERROR: Subscript value (2) is out of range on dimension 1 in reference to a constant array value
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local = good3(2)
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call inner(negLower(:)) ! OK
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call inner(negLower1(:)) ! OK
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contains
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subroutine inner(arg)
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integer :: arg(:)
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end subroutine inner
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end subroutine checkC7115
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subroutine checkOkDuplicates
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real :: realArray(21) = &
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[ ((1.0, iDuplicate = 1,j), &
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(0.0, iDuplicate = j,3 ), &
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j = 1,5 ) ]
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end subroutine
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subroutine charLengths(c, array)
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character(3) :: c
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character(3) :: array(2)
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!No error should ensue for distinct but compatible DynamicTypes
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array = ["abc", c]
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end subroutine
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