[PATCH] [libcxx] LWG2442: call_once() shouldn't DECAY_COPY()

[Agustín Bergé]

In http://reviews.llvm.org/D10191#187322, @EricWF wrote:

> @K-ballo Do you want me to commit this for you?


Sure, go ahead.


http://reviews.llvm.org/D10191

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