Error result when using auto and expression

Submitted by new..@..il.com

Assigned to Nobody

Link to original bugzilla bug (#680)
Version: 3.2

Description

In the following code, vector res in test_auto() will contain incorrect data.

Eigen::VectorXd retVec()
{
Eigen::VectorXd val(2);
val<<1, 2;
return val;
}

void test_auto()
{
// failure here
auto res = retVec().transpose();
cout<<res<<endl;
}