MINOR: Add missing final
s and cleanup dead imports in org.jruby.irinstructions.CallBase
#4742
+4
−7
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Just two trivial things I found while researching something else:
final
to three fields that are never mutated anywhere to make this class a little easier to follow when trying to debug concurreny issues like "org.jruby.runtime.scopes.DynamicScope1 only supports scopes with 1 variables" with Deeply Nested Blocks #4739 :)