https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66699
--- Comment #3 from Antony Polukhin <antoshkka at gmail dot com> --- (In reply to Martin Sebor from comment #2) > Since the layout of std::pair members is fully specified, so is the order of > their initialization and destruction. The output of the test case reflects > this order. > > The order of initialization (and destruction) of std:stuple subobjects is > less clearly specified. At least it's not immediately obvious from my > reading of the spec if any particular order is required. I'm pointing out that according to Standard std::pair<First, Second> and std::tuple<First, Second> must be similar. std::pair destruction order is fully specified, so that order must be used by tuple too.
