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Re: [C++ Patch] PR 44625
Actually, 9.5 says
A union of the form
union { member-specification } ;
is called an anonymous union; it defines an unnamed object of unnamed
type. The member-specification of an anonymous union shall only define
non-static data members. [ Note: Nested types and functions cannot
be declared within an anonymous union. — end note ]
So we should be able to just reject nested anonymous aggregates and not
worry about how to make them work.
Jason