Comment 11 for bug 877431

Reduced testcase:

class CompareThisRefICE {
    CompareThisRefICE();
};
typedef unsigned short ushort;
class __attribute__((visibility("default"))) QString {
public:
    ~QString();
    inline QString(const char *ch) : d(fromAscii_helper(ch)) { }
    struct Data { ushort righttoleft : 11; };
    Data *d;
    static Data *fromAscii_helper(const char *str, int size = -1);
};
class B { };
CompareThisRefICE::CompareThisRefICE() {
    CompareThisRefICE t;
    if (!(this != &t)) {
        QString b("boom");
        throw B();
    }
}