Floating point exception by "".center(1, "\x80".force_encoding("utf-8")*40)

Ruby Development
1

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% ./ruby -ve ‘"".center(1, “\x80”.force_encoding(“utf-8”)*40)’
ruby 1.9.0 (2008-02-16 revision 15502) [i686-linux]
zsh: floating point exception ./ruby -ve ‘"".center(1,
“\x80”.force_encoding(“utf-8”)*40)’