merge revision(s) 62892,62893: [Backport #14363]
fix each_grapheme_cluster's size [Bug #14363] From: Hugo Peixoto <hugo.peixoto@gmail.com> Factor out get_reg_grapheme_cluster
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@62896 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by naruse (Yui NARUSE) about 6 years ago
merge revision(s) 62892,62893: [Backport #14363]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@62896 b2dd03c8-39d4-4d8f-98ff-823fe69b080e