aboutsummaryrefslogtreecommitdiff
path: root/gcc/fortran/data.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/fortran/data.c')
-rw-r--r--gcc/fortran/data.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/fortran/data.c b/gcc/fortran/data.c
index 41dc85f..10fcd48 100644
--- a/gcc/fortran/data.c
+++ b/gcc/fortran/data.c
@@ -311,6 +311,27 @@ gfc_assign_data_value (gfc_expr *lvalue, gfc_expr *rvalue, mpz_t index)
else
mpz_set (offset, index);
+ /* Check the bounds. */
+ if (mpz_cmp_si (offset, 0) < 0)
+ {
+ gfc_error ("Data element below array lower bound at %L",
+ &lvalue->where);
+ return FAILURE;
+ }
+ else
+ {
+ mpz_t size;
+ if (spec_size (ref->u.ar.as, &size) == SUCCESS
+ && mpz_cmp (offset, size) >= 0)
+ {
+ mpz_clear (size);
+ gfc_error ("Data element above array upper bound at %L",
+ &lvalue->where);
+ return FAILURE;
+ }
+ mpz_clear (size);
+ }
+
/* Splay tree containing offset and gfc_constructor. */
spt = expr->con_by_offset;