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Diffstat (limited to 'gcc/testsuite/gfortran.dg/aliasing_dummy_4.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/aliasing_dummy_4.f90 | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/aliasing_dummy_4.f90 b/gcc/testsuite/gfortran.dg/aliasing_dummy_4.f90 new file mode 100644 index 000000000..826ada162 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/aliasing_dummy_4.f90 @@ -0,0 +1,42 @@ +! { dg-do run } +! This tests the fix for PR29315, in which array components of derived type arrays were +! not correctly passed to procedures because of a fault in the function that detects +! these references that do not have the span of a natural type. +! +! Contributed by Stephen Jeffrey <stephen.jeffrey@nrm.qld.gov.au> +! +program test_f90 + + integer, parameter :: N = 2 + + type test_type + integer a(N, N) + end type + + type (test_type) s(N, N) + + forall (l = 1:N, m = 1:N) & + s(l, m)%a(:, :) = reshape ([((i*l + 10*j*m +100, i = 1, N), j = 1, N)], [N, N]) + + call test_sub(s%a(1, 1), 1000) ! Test the original problem. + + if ( any (s(1, 1)%a(:, :) /= reshape ([1111, 112, 121, 122], [2, 2]))) call abort () + if ( any (s(1, 2)%a(:, :) /= reshape ([1121, 122, 141, 142], [2, 2]))) call abort () + if ( any (s(2, 1)%a(:, :) /= reshape ([1112, 114, 122, 124], [2, 2]))) call abort () + if ( any (s(2, 2)%a(:, :) /= reshape ([1122, 124, 142, 144], [2, 2]))) call abort () + + call test_sub(s(1, 1)%a(:, :), 1000) ! Check "normal" references. + + if ( any (s(1, 1)%a(:, :) /= reshape ([2111,1112,1121,1122], [2, 2]))) call abort () + if ( any (s(1, 2)%a(:, :) /= reshape ([1121, 122, 141, 142], [2, 2]))) call abort () + if ( any (s(2, 1)%a(:, :) /= reshape ([1112, 114, 122, 124], [2, 2]))) call abort () + if ( any (s(2, 2)%a(:, :) /= reshape ([1122, 124, 142, 144], [2, 2]))) call abort () +contains + subroutine test_sub(array, offset) + integer array(:, :), offset + + forall (i = 1:N, j = 1:N) & + array(i, j) = array(i, j) + offset + end subroutine +end program + |