Este fragmento de código se compila en Eclipse pero no en javac:

import java.util.function.Consumer;

public class Test {
    public static final void m1(Consumer<?> c) {
        m2(c);
    }
    private static final <T> void m2(Consumer<? super T> c) {
    }
}

salida de javac:

C:\Users\lukas\workspace>javac -version
javac 1.8.0_92

C:\Users\lukas\workspace>javac Test.java
Test.java:5: error: method m2 in class Test cannot be applied to given types;
        m2(c);
        ^
  required: Consumer<? super T>
  found: Consumer<CAP#1>
  reason: cannot infer type-variable(s) T
    (argument mismatch; Consumer<CAP#1> cannot be converted to Consumer<? super T>)
  where T is a type-variable:
    T extends Object declared in method <T>m2(Consumer<? super T>)
  where CAP#1 is a fresh type-variable:
    CAP#1 extends Object from capture of ?
1 error
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¿Qué compilador está mal y por qué? (Informe de error de Eclipse y partes de discusión aquí)