Summary: Put generated MH adapter in InvokeDynamic/MethodHandle classes to be able to indentify them easily in the compiler.
Reviewed-by: kvn, never, jrose

Reviewed-by: kvn, twisti

Summary: C2 needs some additional optimizations to be able to handle MethodHandle invokes and invokedynamic instructions at the best performance.
Reviewed-by: kvn, never

Summary: We need a way to walk chained method handles in the JVM to call the right methods and to generate required bytecode adapters for the compilers.
Reviewed-by: kvn