* util.c (ruby_hdtoa): revert r29729.
  If you want ruby to behave as before on x86, specify to use SSE like
  -msse2 -mfpmath=sse for gcc.

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Specify --disable-gems

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* 2013-04-22

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40406 b2dd03c8-39d4-4d8f-98ff-823fe69b080e