------- Additional Comments From sven at clio dot in-berlin dot de 2005-05-12 09:48 ------- (In reply to comment #1) > I don't think you used SFINF correctly. The substitution of the formal parameter with the actual argument fails, thus it is a form of substitution failure. I do not know, if the example is conforming to the standard. It would be a working method to distinguish between classes and non classes. On the other hand the more stricter interpretation is more safe.
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21510