[Issue 24130] ImportC: Windows headers use inline asm with different syntax

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=24130

--- Comment #8 from anonymous4 <dfj1esp02 at sneakemail.com> ---
i64 is used in some kind of cpu feature constants (Extended processor state
configuration):
#define XSTATE_MASK_LEGACY_FLOATING_POINT   (1ui64 <<
(XSTATE_LEGACY_FLOATING_POINT))
#define XSTATE_MASK_LEGACY_SSE              (1ui64 << (XSTATE_LEGACY_SSE))

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