seek clarification about necessary and sufficient conditions for inclusion in InnerClasses JVM attribute

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The JVM spec states in Sec. 4.7.6 that for each CONSTANT_Class_info (constant-pool entry) which represents a class or interface that is not a member of a package an entry should be made in the class' InnerClasses JVM attribute.

According to the above, the mere fact an inner class is mentioned in, for example, an annotation wouldn't be reason enough for adding it to the InnerClasses JVM attribute.

However that's what GenASM (apparently?) does.

As an aside, this issue came up in the context of GenBCode, where refreshInnerClasses() in file BCodeOpt.scala follows a literal interpretation of the spec.

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Imported From: https://issues.scala-lang.org/browse/SI-6759?orig=1
Reporter: @magarciaEPFL
See #6546

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@gkossakowski said:
The 2.11.2 is out so I'm rescheduling the issue for 2.11.3.

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@lrytz said:
https://github.com/scala/scala/pull/3826/commits / lrytz/scala@91c7be1

also

scala/scala#3927