[Bug middle-end/67133] [6 Regression] ICE at -Os and above on x86_64-linux-gnu in gimple_op, at gimple.h:2274

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67133

--- Comment #13 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Or
--- a/gcc/gimple.c
+++ b/gcc/gimple.c
@@ -2684,8 +2684,10 @@ infer_nonnull_range_by_attribute (gimple stmt, tree op)
        {
          for (unsigned int i = 0; i < gimple_call_num_args (stmt); i++)
        {
-         if (POINTER_TYPE_P (TREE_TYPE (gimple_call_arg (stmt, i)))
-             && operand_equal_p (op, gimple_call_arg (stmt, i), 0))
+         tree arg = gimple_call_arg (stmt, i);
+         if (TREE_TYPE (arg)
+             && POINTER_TYPE_P (TREE_TYPE (arg))
+             && operand_equal_p (op, arg, 0))
            return true;
        }
          return false;