http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47765
--- Comment #8 from Daniel Krügler <daniel.kruegler at googlemail dot com> --- (In reply to Paolo Carlini from comment #7) > Do we have a DR # for this issue? It seems to me that this is http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_active.html#1391 submitted by Jason with a simplified form of the example discussed here.