10b990a03b
Semantics can catch out-of-range subscript values already when they appear in DATA statement objects and constant folding of name constant array indexing; this patch fills the gap by checking known constant subscript values in other contexts. Differential Revision: https://reviews.llvm.org/D142764
30 lines
1.2 KiB
Fortran
30 lines
1.2 KiB
Fortran
! RUN: %python %S/test_errors.py %s %flang_fc1 -Werror
|
|
! Check out-of-range subscripts
|
|
real a(10)
|
|
integer, parameter :: n(2) = [1, 2]
|
|
!ERROR: DATA statement designator 'a(0_8)' is out of range
|
|
!ERROR: DATA statement designator 'a(11_8)' is out of range
|
|
data a(0)/0./, a(10+1)/0./
|
|
!ERROR: Subscript 0 is less than lower bound 1 for dimension 1 of array
|
|
print *, a(0)
|
|
!ERROR: Subscript 0 is less than lower bound 1 for dimension 1 of array
|
|
print *, a(1-1)
|
|
!ERROR: Subscript 11 is greater than upper bound 10 for dimension 1 of array
|
|
print *, a(11)
|
|
!ERROR: Subscript 11 is greater than upper bound 10 for dimension 1 of array
|
|
print *, a(10+1)
|
|
!ERROR: Subscript value (0) is out of range on dimension 1 in reference to a constant array value
|
|
print *, n(0)
|
|
!ERROR: Subscript value (3) is out of range on dimension 1 in reference to a constant array value
|
|
print *, n(4-1)
|
|
print *, a(1:12:3) ! ok
|
|
!ERROR: Subscript 13 is greater than upper bound 10 for dimension 1 of array
|
|
print *, a(1:13:3)
|
|
print *, a(10:-1:-3) ! ok
|
|
!ERROR: Subscript -2 is less than lower bound 1 for dimension 1 of array
|
|
print *, a(10:-2:-3)
|
|
print *, a(-1:-2) ! empty section is ok
|
|
print *, a(0:11:-1) ! empty section is ok
|
|
end
|
|
|