8135265: VM fails on 'empty' interface public <init>()V method with VerifyError
Summary: Don't check for calls to super() or this() fro <init>()V methods if they are in interfaces. Because, they are not ctors.
Reviewed-by: acorn, gtriantafill
8135208: VM permits illegal <clinit> access_flags, versions 51-52
Summary: Check access flags for <clinit> methods that are not class init methods.
Reviewed-by: kamg, gtriantafill