diff options
Diffstat (limited to 'gcc/gimple.c')
| -rw-r--r-- | gcc/gimple.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/gcc/gimple.c b/gcc/gimple.c index cca328a..1bfa8c7 100644 --- a/gcc/gimple.c +++ b/gcc/gimple.c @@ -2694,10 +2694,13 @@ infer_nonnull_range_by_attribute (gimple stmt, tree op) /* Now see if op appears in the nonnull list. */ for (tree t = TREE_VALUE (attrs); t; t = TREE_CHAIN (t)) { - int idx = TREE_INT_CST_LOW (TREE_VALUE (t)) - 1; - tree arg = gimple_call_arg (stmt, idx); - if (operand_equal_p (op, arg, 0)) - return true; + unsigned int idx = TREE_INT_CST_LOW (TREE_VALUE (t)) - 1; + if (idx < gimple_call_num_args (stmt)) + { + tree arg = gimple_call_arg (stmt, idx); + if (operand_equal_p (op, arg, 0)) + return true; + } } } } |