[patch] libstdc++/69116 Constrain std::valarray functions and operators

[Jonathan Wakely]

On 22/01/16 21:15 +0000, Jonathan Wakely wrote:
>This is a regression, caused by the front end starting to diagnose the
>invalid library instantiations more eagerly. The fix seems simple and
>safe, so I plan to backport it to the branches too.

Committed to the branches too.