8068995: Cleanup method reference lookup code
Summary: Simplify method reference code lookup and generate better/more uniform diagnostics
Reviewed-by: vromero

8026231: Look at 'static' flag when checking method references
Reviewed-by: jjg, dlsmith

8016175: Add bottom-up type-checking support for unambiguous method references
Summary: Type-checking of non-overloaded method references should be independent from target-type
Reviewed-by: jjg, vromero

8008537: Missing method reference lookup error when unbound search finds a static method
Summary: Static-ness check should be applied after member reference resolution
Reviewed-by: jjg

8008309: TargetType60 fails because of bad golden file
Summary: bad golden file
Reviewed-by: jjg

8007462: Fix provisional applicability for method references
Summary: Add speculative arity-based check to rule out potential candidates when stuck reference is passed to method
Reviewed-by: jjg