merge revision(s) 58211: [Backport #13387]
string.c: Supress logical-op-parentheses warning * string.c(rb_str_upcase_bang): Supress logical-op-parentheses warning Patch by Fukuo Kadota <fukuo-kadota@cookpad.com>, Closes [GH-1570] [Bug #13387].
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@58635 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 58211: [Backport #13387]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_4@58635 b2dd03c8-39d4-4d8f-98ff-823fe69b080e