Remove unused AnonymousAggregateDeclaration
fix Issue 9273 - DMD segfaults with templated ctors in implicit super call
fix Issue 9284 - DMD segfaults with templated ctors in constructor delegation
Merge pull request #1446 from AndrejMitrovic/RemoveAnonStruct

Remove unused AnonymousAggregateDeclaration
Merge pull request #1451 from 9rnsr/fix9273

Issue 9273 & 9284 - DMD segfaults with templated ctors