[Issue 18864] Building 64-bit dmd on Windows results in a debug build. The release build doesn't work.

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18864

--- Comment #8 from kinke at gmx.net ---
(In reply to kinke from comment #7)
> I can confirm this regression for LDC on Win32 and Win64 too

I think I found the culprit causing the sporadic segfaults:
https://github.com/dlang/dmd/pull/8294

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