[patch] libstdc++/64658 define std::atomic_init()

[Jonathan Wakely]

On 20/01/15 11:59 +0000, Jonathan Wakely wrote:
>On 19/01/15 16:02 +0000, Jonathan Wakely wrote:
>>We declare atomic_init() but then never define it, I assume that's
>>just an accident.
>>
>>Although the standard says this function is non-atomic, the simplest
>>fix at this stage is just to do an atomic store (when we get to stage
>>1 again I'd like to make the function a friend of std::__atomic_base<>
>>so it can set the private member variable directly as a simple
>>non-atomic assignment).
>>
>>Tested x86_64-linux, *not* committed to trunk.
>
>Now committed to trunk.
>
>>commit 061dd1a073ef4646727a3f29dfa3169a760757b3
>>Author: Jonathan Wakely <jwakely@redhat.com>
>>Date:   Sun Jan 18 17:40:17 2015 +0000
>>
>>   	PR libstdc++/64658
>>   	* include/std/atomic (atomic_init): Define.
>>   	* testsuite/29_atomics/atomic/64658.cc: New.

I forgot to make this testcase change that Ulrich suggested.

Tested x86_64-linux and i686-linux, committed to trunk.

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