Hash#rehash does not work under some condition
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Key: JRUBY-6209
URL: https://jira.codehaus.org/browse/JRUBY-6209
Project: JRuby
Issue Type: Bug
Components: Core Classes/Modules
Affects Versions: JRuby 1.6
Environment: any
Reporter: Hiroshi Nakamura
Assignee: Hiroshi Nakamura
This code raises an exception at the last line when hashCode of b is negative
value.
{noformat}
a = "ASCII"
b = "\xE3\x81\x82" # Japanese 'a' in UTF-8
key = [a]
hash = Hash[key => 100]
hash[key] == 100 or raise
key[0] = b
p "---"
hash[key] == nil or raise
hash.rehash
hash[key] == 100 or raise
{noformat}
Fix follows.
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