Summary: several diagnostic improvements
Reviewed-by: jjg

Summary: Javac should disable error messages when analyzing instance creation expression in 'diamond finder' mode
Reviewed-by: jjg

Summary: special resolution scheme for diamond inference needs to open up protected constructors in anon inner class creation
Reviewed-by: jjg

Summary: added hidden compiler flag '-XDfindDiamond' to detect 'diamondifiable' sites
Reviewed-by: jjg

Summary: Resolve.java should keep track of all candidates found during a method resolution sweep to generate more meaningful diagnostics
Reviewed-by: jjg

Reviewed-by: darcy

Reviewed-by: darcy

Summary: Raw warning checks should be disabled in the presence of a diamond AST node
Reviewed-by: jjg

Summary: Implement new inference scheme for diamond operator that takes into account type of actual arguments supplied to constructor
Reviewed-by: jjg, darcy

Summary: backout changeset for 6840638
Reviewed-by: jjg

Reviewed-by: darcy

Summary: diamond operator implementation (simple approach)
Reviewed-by: jjg