[Issue 18730] dmd miscompiles core.bitop.bt with -O

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18730

ag0aep6g <ag0aep6g at gmail.com> changed:

           What    |Removed                     |Added
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--- Comment #9 from ag0aep6g <ag0aep6g at gmail.com> ---
*** Issue 18717 has been marked as a duplicate of this issue. ***

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