C++ PATCHes for c++/79549 and 79556 (ICE with auto parameter pack)

Jason Merrill jason@redhat.com
Wed May 10 16:06:00 GMT 2017


On Fri, Feb 17, 2017 at 1:41 PM, Jason Merrill <jason@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



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