delegating constructor bug in CTP compiler by summerlight

struct test
{
    typedef test alias;

    test() : a(0) {}
    test(test&) : alias() {}

    int a;
};


int main()
{
}

Delegating constructor call via indirect typedef alias as above code raises compiler error like below

1>d:\work\toy\vs2012test\vs2012test\source.cpp(1035): error C2437: 'alias' : already initialized