CDI Proxy creation fails when the bean type is final or it contains a final method public in EAP 6

Issue

• When I deploy a war, I got UnproxyableResolutionException.

14:00:12,820 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-4) MSC000001: Failed to start service jboss.deployment.unit."example.war".WeldStartService: org.jboss.msc.service.StartException in service jboss.deployment.unit."example.war".WeldStartService: Failed to start service
    at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1767) [jboss-msc-1.0.4.GA-redhat-1.jar:1.0.4.GA-redhat-1]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_51]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_51]
    at java.lang.Thread.run(Thread.java:744) [rt.jar:1.7.0_51]
Caused by: org.jboss.weld.exceptions.DeploymentException: Exception List with 5 exceptions:
Exception 0 :
org.jboss.weld.exceptions.UnproxyableResolutionException: WELD-001437 Normal scoped bean class com.example.SampleBean is not proxyable because the type is final or it contains a final method public final java.lang.String com.example.SampleBean.sampleMethod() - Managed Bean [class com.example.SampleBean] with qualifiers [@Any @Default @Named].
    at org.jboss.weld.util.Proxies.getUnproxyableClassException(Proxies.java:229)
    at org.jboss.weld.util.Proxies.getUnproxyableTypeException(Proxies.java:180)
    at org.jboss.weld.util.Proxies.getUnproxyableTypesExceptionInt(Proxies.java:195)
    at org.jboss.weld.util.Proxies.getUnproxyableTypesException(Proxies.java:169)
    at org.jboss.weld.bootstrap.Validator.validateBean(Validator.java:147)
    at org.jboss.weld.bootstrap.Validator.validateRIBean(Validator.java:163)
    at org.jboss.weld.bootstrap.Validator.validateBeans(Validator.java:382)
    at org.jboss.weld.bootstrap.Validator.validateDeployment(Validator.java:367)