On 12/18/2014 01:16 PM, Kai Tietz wrote:
Well, in general I would have assumed to be able to get alias decl of tmpl. Wasn't able to find a simple way to get it. So, by looking into source I found that most cases handling args > tmpl-args by using inner_most_template_args instead. Defaulting to innermost_template_args looks indeed a bit wrong, but seemed to work.
It's wrong, it just papers over the bug. There shouldn't be a mismatch at this point.
The problem seems to be that most_general_template isn't actually returning the most general template, so we're trying to instantiate the partially-instantiated alias template with a full set of arguments: thus the mismatch.
Jason