compile.c: apply opt_str_freeze to String#-@ (uminus)
The same optimization used for "literal string".freeze can easily apply to uminus without introducing any compatibility problems.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57828 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
compile.c: apply opt_str_freeze to String#-@ (uminus)
The same optimization used for "literal string".freeze
can easily apply to uminus without introducing any
compatibility problems.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57828 b2dd03c8-39d4-4d8f-98ff-823fe69b080e