diff options
Diffstat (limited to 'gcc/testsuite/gfortran.dg/array_section_1.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/array_section_1.f90 | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/array_section_1.f90 b/gcc/testsuite/gfortran.dg/array_section_1.f90 new file mode 100644 index 000000000..4d5eedf2a --- /dev/null +++ b/gcc/testsuite/gfortran.dg/array_section_1.f90 @@ -0,0 +1,39 @@ +! { dg-do run } +! { dg-options "-fbounds-check" } +! Tests the fix for PR30003, in which the 'end' of an array section +! would not be evaluated at all if it was on the lhs of an assignment +! or would be evaluated many times if bound checking were on. +! +! Contributed by Erik Edelmann <eedelmann@gcc.gnu.org> +! + implicit none + integer :: a(5), b(3), cnt + + b = [ 1, 2, 3 ] +! Check the lhs references + cnt = 0 + a(bar(1):3) = b + if (cnt /= 1) call abort () + cnt = 0 + a(1:bar(3)) = b + if (cnt /= 1) call abort () + cnt = 0 + a(1:3:bar(1)) = b + if (cnt /= 1) call abort () +! Check the rhs references + cnt = 0 + a(1:3) = b(bar(1):3) + if (cnt /= 1) call abort () + cnt = 0 + a(1:3) = b(1:bar(3)) + if (cnt /= 1) call abort () + cnt = 0 + a(1:3) = b(1:3:bar(1)) + if (cnt /= 1) call abort () +contains + integer function bar(n) + integer, intent(in) :: n + cnt = cnt + 1 + bar = n + end function bar +end |