merge revision(s) 57688,57689: [Backport ]
rational.c: infinity in power * rational.c (nurat_expt): return Infinity due to overflow. [ruby-core:79686] [Bug #13242]: rational.c: infinity in power * rational.c (nurat_expt): return 0 due to overflow. [ruby-core:79686] [Bug #13242]:
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57911 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 57688,57689: [Backport ]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@57911 b2dd03c8-39d4-4d8f-98ff-823fe69b080e