String#index works incorrectly with FixNum parameters
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Key: JRUBY-1795
URL: http://jira.codehaus.org/browse/JRUBY-1795
Project: JRuby
Issue Type: Bug
Components: Core Classes/Modules
Affects Versions: JRuby 1.x
Environment: Latest JRuby 1.1b1
Reporter: Vladimir Sizikov
Attachments: string-index-fixnum.patch
{noformat}
puts "hello".index(256 * 3 + ?e)
puts "hello".index(-(256 - ?e))
{noformat}
In JRuby returns:
1
1
In MRI returns:
nil
nil
This leads to one rubinius spec failure.
The proposed patch fixes the problem.
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