diff options
Diffstat (limited to 'gcc/testsuite/gfortran.dg/vector_subscript_8.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/vector_subscript_8.f90 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/vector_subscript_8.f90 b/gcc/testsuite/gfortran.dg/vector_subscript_8.f90 new file mode 100644 index 00000000000..e90450b2f1b --- /dev/null +++ b/gcc/testsuite/gfortran.dg/vector_subscript_8.f90 @@ -0,0 +1,16 @@ +! { dg-do run } +! +! PR fortran/102043 +! The middle-end used to conclude from array indexing that the index +! should be non-negative and thus that array accesses to reversed arrays +! (i.e. with negative strides) only access the last element of the array, +! as the access involves a pointer to array that is initialized to point +! to the last element in the case of a reversed array. + +program main + integer, dimension (4) :: idx, a, b + a = (/ 11, 13, 17, 19 /) + idx = (/ 1, 2, 3, 4 /) + a(idx(4:1:-1)) = idx + if (a(1).ne.4) STOP 1 +end program main |