On Fri, Feb 17, 2017 at 1:41 PM, Jason Merrill <ja...@redhat.com> wrote: > In 79556, we try to deduce an auto type from a dependent initializer > with null TREE_TYPE, which doesn't work; fixed by catching that case > in do_auto_deduction. > > In 79549, we try to tsubst into the type of a NONTYPE_ARGUMENT_PACK, > which doesn't make sense for an auto parameter pack; in fact, it > doesn't make sense for the argument pack to have a type at all. For > GCC 7 I'm fixing this by leaving the auto type in place; for GCC 8 > we'll do away with TREE_TYPE on all NONTYPE_ARGUMENT_PACKs.
And now I'm applying the GCC8 patch. Jason