I've tested, it is because this 
#ifdef PERL_INC_VERSION_LIST
    const U8 addoldvers  = (U8)flags & INCPUSH_ADD_OLD_VERS;
#endif

[download]
is never true.

In reply to Re^5: "versioned" builds of Win32 perl by Anonymous Monk
in thread "versioned" builds of Win32 perl by syphilis

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