[v3 PATCH] Avoid endless run-time recursion for copying single-element tuples where the element type is by-value constructible from any type

[Jonathan Wakely]

On 08/05/16 14:43 +0300, Ville Voutilainen wrote:
>Tested on Linux-PPC64.

OK for trunk, and we should backport to gcc-6-branch (and
gcc-5-branch?) soon.

Thanks.