[mac] sigabrt in macVersion()

[ABBAPOH]

static QSysInfo::MacVersion macVersion()
{
    SInt32 gestalt_version;
    if (Gestalt(gestaltSystemVersion, &gestalt_version) == noErr) {
        return QSysInfo::MacVersion(((gestalt_version & 0x00F0) >> 4) + 2);
    }
    return QSysInfo::MV_Unknown;
}

static QSysInfo::MacVersion macVersion()
{
    SInt32 gestalt_version;
    if (Gestalt(gestaltSystemVersion, &gestalt_version) == noErr) {
        return QSysInfo::MacVersion(((gestalt_version & 0x00F0) >> 4) + 2);
    }
    return QSysInfo::MV_Unknown;
}

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from qtglobal.cpp. Crashes deep within if condition