c++/9440: [3.4 regression] error message about "non-lvalue in unary '&'" when using ?: operator

[Andrew Pollard]

Here's a simplified test case...

struct A {
     explicit A(int = 0);
     operator int() const;
};

A
bar(bool b, const A& a)
{
     return (b ? A() : a);
}

Andrew.