merge revision(s) 53533: [Backport #12895]
* sprintf.c (rb_str_format): format exact number more exactly.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@56567 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 53533: [Backport #12895]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@56567 b2dd03c8-39d4-4d8f-98ff-823fe69b080e