[PATCH] PR libstdc++/81468 constrain std::chrono::time_point constructor

[Jonathan Wakely]

On 13/09/17 15:09 +0100, Jonathan Wakely wrote:
>Howard reported this bug, caused by a missing SFINAE constraint on a
>std::chrono::time_point constructor.
>
>I've also done a bit of simplification using alias templates.

Here's the backport for the branches, which just adds the constraint
(and tests) without the new alias templates.


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