[C++ Patch] PR 51326

[Jason Merrill]

On 12/03/2011 04:25 PM, Dodji Seketeli wrote:
> This might be a theoretical nit, but it looks like if expr is
> error_mark_node, we'd crash as well, because of the line below that comes
> right after the comment above:
>
>    gcc_assert (!MAYBE_CLASS_TYPE_P (fromtype) || !MAYBE_CLASS_TYPE_P (totype)
> 	      || !DERIVED_FROM_P (totype, fromtype));

That should be OK, since TREE_TYPE (error_mark_node) is error_mark_node.

Jason