https://issues.jboss.org/browse/CDI-247
Consider producer and injection point.

@Produces @SomeQualifier Boolean b() {
    return null;
}

@Inject @SomeQualifier boolean b;

CDI 1.0 treated that injection as a deployment problem.
CDI 1.1 lets primitive field/parameter be assigned to the default value when injected bean has null value.