Plz help me,I met a bug about QStringList

[study_c]

http://hiphotos.baidu.com/chennqqi/pic/item/3859c2fc886d24cab801a027.jpg

right down corner is Debug info

why the the first element of StringList header can not be accessible?

Edition Qt 4.7 OpenSoure mingw windows

[tbscope]

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