8030091: Request to update error messages from javac for negative varargs test cases Summary: Introducing a new error message for vararg parameter not being the last parameter, improving error message for unexpected character after a parameter. Reviewed-by: jjg, sogoel

8033180: An inappropriate newline symbol in the help section Reviewed-by: ksrini

8033218: Silent failure in TypeAnnotations.resolveFrame Summary: Change silent no-op to assertion failure when resolveFrame is called before attribution. Reviewed-by: jfranck

8032869: remove support for legacy options in javap Reviewed-by: ksrini