https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67844
Ville Voutilainen <ville.voutilainen at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED CC| |ville.voutilainen at gmail dot com Assignee|unassigned at gcc dot gnu.org |ville.voutilainen at gmail dot com --- Comment #2 from Ville Voutilainen <ville.voutilainen at gmail dot com> --- To the extent anything in this area is obvious, yes. :) The check for non-nested tuple ends up in infinite meta-recursion because A is constructible from the tuple itself. I think that can be tackled by adding an is_same check to _TNTC so that the converting templates that take a tuple outright reject tuples that are the same as the tuple itself. Fixing...