[patch middle-end c c++]: Optimize cost of comp_type_attributes

[Jason Merrill]

On 03/24/2011 08:44 PM, Kai Tietz wrote:
> +static bool
> +attribute_value_equal (const_tree attr1, const_tree attr2)
> +{
> +  if (attr1 == attr2)
> +    return true;

I still think this test should be comparing TREE_VALUEs.

Jason