[BREAKING CHANGE] Subtyping based runtime.Type_Info
#4913
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Convert the usage of
runtime.Type_Infofrom being a union of the variants in-place to based on subtypes in order to minimize memory usage and initialization.This is a BREAKING CHANGE for any code base that uses runtime type information.
How to fix your code:
case runtime.Type_Info_*->case ^runtime.Type_Info_*x.(runtime.Type_Info_*)->x.(^runtime.Type_Info_*)info_for_struct.flags->info_for_struct.struct_flags