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Diffstat (limited to 'gcc/testsuite/gfortran.dg/negative_automatic_size.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/negative_automatic_size.f90 | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/negative_automatic_size.f90 b/gcc/testsuite/gfortran.dg/negative_automatic_size.f90 new file mode 100644 index 000000000..322eafe9f --- /dev/null +++ b/gcc/testsuite/gfortran.dg/negative_automatic_size.f90 @@ -0,0 +1,29 @@ +! { dg-do run } +! { dg-options "-O2" } +! Tests the fix PR29451, in which the negative size of the +! automatic array 'jello' was not detected and the +! runtime error: Attempt to allocate a negative amount of memory +! resulted. +! +! Contributed by Philip Mason <pmason@ricardo.com> +! +program fred + call jackal (1, 0) + call jackal (2, 1) + call jackal (3, 0) +end + +subroutine jackal (b, c) + integer :: b, c + integer :: jello(b:c), cake(1:2, b:c), soda(b:c, 1:2) + if (lbound (jello, 1) <= ubound (jello, 1)) call abort () + if (size (jello) /= 0) call abort () + + if (.not.any(lbound (cake) <= ubound (cake))) call abort () + if (size (cake) /= 0) call abort () + + if ((lbound (soda, 1) > ubound (soda, 1)) .and. & + (lbound (soda, 2) > ubound (soda, 2))) call abort () + if (size (soda) /= 0) call abort () + +end subroutine jackal |