nobu 441dbecf43 * string.c (rb_str_concat): fixed range check for Fixnum, and
added checks for integer overflow and invalid char code.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26324 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-01-14 03:50:39 +00:00
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