8078660: Misleading recommendation from diamond finder.
Summary: javac should recommend diamond usage if that could lead to a change in program behavior.
Reviewed-by: mcimadamore
Neg14.java:36:23: compiler.err.does.not.override.abstract: compiler.misc.anonymous.class: Neg14$3, foo(), Neg14.A
Neg14.java:40:24: compiler.err.does.not.override.abstract: compiler.misc.anonymous.class: Neg14$4, foo(), Neg14.A
Neg14.java:44:13: compiler.err.abstract.cant.be.instantiated: Neg14.A
Neg14.java:47:14: compiler.err.abstract.cant.be.instantiated: Neg14.A
4 errors