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A coarray must not have a zero extent on a codimension; that would yield an empty coarray. When cobounds are constants, verify them.
49 lines
2.2 KiB
Fortran
49 lines
2.2 KiB
Fortran
! RUN: %python %S/test_errors.py %s %flang_fc1 -pedantic -Werror
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! Check out-of-range subscripts
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subroutine subr(da)
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real a(10), da(2,1), empty(1:0,1)
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integer, parameter :: n(2) = [1, 2]
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integer unknown
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!ERROR: DATA statement designator 'a(0_8)' is out of range
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!ERROR: DATA statement designator 'a(11_8)' is out of range
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data a(0)/0./, a(10+1)/0./
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!ERROR: subscript 0 is less than lower bound 1 for dimension 1 of array
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print *, a(0)
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!ERROR: subscript 0 is less than lower bound 1 for dimension 1 of array
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print *, a(1-1)
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!ERROR: subscript 11 is greater than upper bound 10 for dimension 1 of array
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print *, a(11)
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!ERROR: subscript 11 is greater than upper bound 10 for dimension 1 of array
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print *, a(10+1)
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!ERROR: Subscript value (0) is out of range on dimension 1 in reference to a constant array value
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print *, n(0)
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!ERROR: Subscript value (3) is out of range on dimension 1 in reference to a constant array value
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print *, n(4-1)
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print *, a(1:12:3) ! ok
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!ERROR: subscript 13 is greater than upper bound 10 for dimension 1 of array
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print *, a(1:13:3)
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print *, a(10:-1:-3) ! ok
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!ERROR: subscript -2 is less than lower bound 1 for dimension 1 of array
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print *, a(10:-2:-3)
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print *, a(-1:-2) ! empty section is ok
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print *, a(0:11:-1) ! empty section is ok
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!ERROR: subscript 0 is less than lower bound 1 for dimension 1 of array
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print *, a(0:0:unknown) ! lower==upper, can ignore stride
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!ERROR: subscript 11 is greater than upper bound 10 for dimension 1 of array
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print *, a(11:11:unknown) ! lower==upper, can ignore stride
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!ERROR: subscript 0 is less than lower bound 1 for dimension 1 of array
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print *, da(0,1)
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!ERROR: subscript 3 is greater than upper bound 2 for dimension 1 of array
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print *, da(3,1)
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!ERROR: subscript 0 is less than lower bound 1 for dimension 2 of array
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print *, da(1,0)
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!WARNING: subscript 2 is greater than upper bound 1 for dimension 2 of array
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print *, da(1,2)
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print *, empty([(j,j=1,0)],1) ! ok
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print *, empty(1:0,1) ! ok
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print *, empty(:,1) ! ok
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print *, empty(i:j,k) ! ok
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!WARNING: Empty array dimension 1 should not be subscripted as an element or non-empty array section
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print *, empty(i,1)
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end
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