diff options
Diffstat (limited to 'gcc/ipa-inline-analysis.c')
| -rw-r--r-- | gcc/ipa-inline-analysis.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/gcc/ipa-inline-analysis.c b/gcc/ipa-inline-analysis.c index 45bfeb6f471..ccda67de462 100644 --- a/gcc/ipa-inline-analysis.c +++ b/gcc/ipa-inline-analysis.c @@ -555,9 +555,17 @@ evaluate_conditions_for_known_args (struct cgraph_node *node, for (i = 0; VEC_iterate (condition, info->conds, i, c); i++) { - tree val = VEC_index (tree, known_vals, c->operand_num); + tree val; tree res; + /* We allow call stmt to have fewer arguments than the callee + function (especially for K&R style programs). So bound + check here. */ + if (c->operand_num < (int)VEC_length (tree, known_vals)) + val = VEC_index (tree, known_vals, c->operand_num); + else + val = NULL; + if (!val) { clause |= 1 << (i + predicate_first_dynamic_condition); |