diff options
Diffstat (limited to 'gcc/testsuite/gfortran.dg/array_constructor_4.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/array_constructor_4.f90 | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/array_constructor_4.f90 b/gcc/testsuite/gfortran.dg/array_constructor_4.f90 new file mode 100644 index 00000000000..cae65156793 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/array_constructor_4.f90 @@ -0,0 +1,23 @@ +! { dg-do run } +! PR 21912 +! We didn't adapt the exit condition to negative steps in array constructors, +! leaving the resulting arrays uninitialized. +integer :: i(5), n, m, l, k + +n = 5 +i = (/ (m, m = n, 1, -1) /) +if (any (i /= (/ 5, 4, 3, 2, 1 /))) call abort + +k = 1 + +i(5:1:-1) = (/ (m, m = n, k, -1) /) +if (any (i /= (/ 1, 2, 3, 4, 5 /))) call abort + +l = -1 + +i = (/ (m, m = n, 1, l) /) +if (any (i /= (/ 5, 4, 3, 2, 1 /))) call abort + +i(5:1:-1) = (/ (m, m = n, k, l) /) +if (any (i /= (/ 1, 2, 3, 4, 5 /))) call abort +end |