QTextEdit crashes when using "" or "" characters in QTextEdit::setHtml

QTextEdit crashes when using "﷐" or "﷑" characters in QTextEdit::setHtml.

Test case main.cpp to reproduce
===============
#include <QtGui>

int main(int argc, char* argv[])
{
QApplication app(argc, argv);
QTextEdit edit;
edit.setHtml("﷐"); // or ﷑
return 0;
}