diff options
Diffstat (limited to 'gcc/fortran/frontend-passes.c')
| -rw-r--r-- | gcc/fortran/frontend-passes.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/fortran/frontend-passes.c b/gcc/fortran/frontend-passes.c index 6888224..40e88b1 100644 --- a/gcc/fortran/frontend-passes.c +++ b/gcc/fortran/frontend-passes.c @@ -1237,6 +1237,23 @@ traverse_io_block (gfc_code *code, bool *has_reached, gfc_code *prev) } } + /* Check for cases like ((a(i, j), i=1, j), j=1, 2). */ + for (int i = 1; i < ref->u.ar.dimen; i++) + { + if (iters[i]) + { + gfc_expr *var = iters[i]->var; + for (int j = i - 1; j < i; j++) + { + if (iters[j] + && (gfc_check_dependency (var, iters[j]->start, true) + || gfc_check_dependency (var, iters[j]->end, true) + || gfc_check_dependency (var, iters[j]->step, true))) + return false; + } + } + } + /* Create new expr. */ new_e = gfc_copy_expr (curr->expr1); new_e->expr_type = EXPR_VARIABLE; |