Martin Boßlet created JRUBY-6634:
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             Summary: String.new(string) does not seem to clone the input
                 Key: JRUBY-6634
                 URL: https://jira.codehaus.org/browse/JRUBY-6634
             Project: JRuby
          Issue Type: Bug
          Components: Core Classes/Modules
    Affects Versions: JRuby 1.7
         Environment: $ jruby --1.9 -v
jruby 1.7.0.dev (ruby-1.9.3-p6) (2012-01-21 0d0c764) (Java HotSpot(TM) 64-Bit 
Server VM 1.7.0_02) [linux-amd64-java]

            Reporter: Martin Boßlet


Steps to reproduce:

s = "test"
t = String.new(s)
t.setbyte(0, "r".ord)
p s #=> rest
p t #=> rest
puts s == "rest" #=> true
puts s == "test" #=> false

I was under the impression that s should still be equal to "test", that is t 
should be a copy of the contents of s. That's at least what I get in 
CRuby(1.9.3)?

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