Valgrind warning in QFileInfo::symLinkTarget()

==17149== Conditional jump or move depends on uninitialised value(s)
==17149== at 0x7096A7F: QFSFileEngine::fileName(QAbstractFileEngine::FileName) const (qfsfileengine_unix.cpp:759)
==17149== by 0x705BE80: QFileInfoPrivate::getFileName(QAbstractFileEngine::FileName) const (qfileinfo.cpp:198)
==17149== by 0x705BF2F: QFileInfo::readLink() const (qfileinfo.cpp:1149)
==17149== by 0x401B9D: QFileInfo::symLinkTarget() const (qfileinfo.h:108)
==17149== by 0x401987: main (qfileinfo_readlink.cpp:14)

Line is:
if (S_ISDIR(d->st.st_mode) && s[0] != '/') {

d->st.st_mode isn't initialised (we haven't stat'ted yet). The call to d->isSymlink() stats but doesn't store the result in d->st.