[Issue 19927] D standard library not detected while I select LDC as the build configuration

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19927

--- Comment #7 from Srxy Wang <x13989 at 126.com> ---
I found that Debug LDC works fine, but Release LDC is bugged as I described.

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