Nest host validation vs NestHost attribute performed by Lookup::defineHiddenClass

John Rose john.r.rose at
Wed Sep 25 03:42:58 UTC 2019

(See previous message.). I think ignoring is simpler. Throwing an error is ok if you expect users to benefit from the discipline but in this case such benefit is in the noise and thus a more regular spec is the high order bit. 

> On Sep 24, 2019, at 8:31 PM, Mandy Chung <mandy.chung at> wrote:
> What about one refinement:  since hidden classes cannot participate in NestHost/NestMembers, I suggest to a stricter rule to disallow a hidden class containing NH/NM attribute (rather than ignoring it) which also forbids "nested nest".

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