6885255: Improve usability of raw warnings Summary: raw warnings should be disabled in (i) instanceof expressions and (ii) when java.lang.Class is not parameterized Reviewed-by: jjg

6886247: regression: javac crashes with an assertion error in Attr.java Summary: capture conversion does not work on nested types Reviewed-by: jjg

6976833: options included twice in Example SimpleCompiler Reviewed-by: darcy

6369605: Unconstrained type variables fails to include bounds Summary: unconstrained type-variables with recursive bounds are not inferred properly Reviewed-by: jjg