[Issue 13713] core.atomic should use compiler intrinsics

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=13713

z.p.gaal.de...@gmail.com changed:

           What    |Removed                     |Added
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           See Also|                            |https://issues.dlang.org/sh
                   |                            |ow_bug.cgi?id=15007

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