[ruby-cvs:79113] 79dcd26aec (master): more use of MSC_VERSION_SINCE

Unknown <[email protected]> Fri, 10 Jan 2020 21:17:26 +0900 (JST)

Newsgroups	gmane.comp.lang.ruby.cvs
Message-ID	<[email protected]>

=E5=8D=9C=E9=83=A8=E6=98=8C=E5=B9=B3	2020-01-09 15:13:52 +0900 (Thu, 09 J=
an 2020)

  New Revision: 79dcd26aec

  https://github.com/ruby/ruby/commit/79dcd26aec

  Log:
    more use of MSC_VERSION_SINCE
    =

    Replaces `#ifdef _MSC_VER` with more accurate version checks.  Also,
    `defined(_WIN64) && defined(__AVX2__)` is redundant because there is =
no
    such tihng like a 32bit AVX2 machine.

  Modified files:
    internal/bits.h=