[Issue 23974] A ModuleInfo in a separate Windows DLL should not be referred to by MIimportedModules

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23974

--- Comment #2 from Walter Bright <bugzilla at digitalmars.com> ---
A module is imported (and outside the binary) when it contains exported
declarations:

    export extern int x = 3;

    export int foo();

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