FFI: Caching of mapped types broken.
------------------------------------
Key: JRUBY-5760
URL: http://jira.codehaus.org/browse/JRUBY-5760
Project: JRuby
Issue Type: Bug
Affects Versions: JRuby 1.6.1
Reporter: Matijs van Zuijlen
Assignee: Thomas E Enebo
The following code will print two identical lines with MRI 1.8.7, MRI 1.9.2 and
JRuby 1.5.1:
{noformat}
require 'ffi'
module Foo
extend FFI::Library
Enum = enum :FooEnum, [:a, :b, :c]
end
puts FFI.find_type Foo::Enum
puts FFI.find_type Foo::Enum
{noformat}
With JRuby 1.6.1, the lines are not identical. It seems the caching logic in
`lib/ruby/site_ruby/shared/ffi/types.rb` is broken, with the code storing the
mapped type in the type map coming before the code for checking the presence of
the mapped type in the type map.
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