micrososoft foundation class quick question

Why don't I get an error here? There is no where in the code I initialise the buffer array. Should there not be an error on LINE 22?

Code:

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double point[6][3];
        double buffer[6][3];

        //p1
        point[0][0] = 300;  point[0][1] = 50;  point[0][2] = 0;
        //p2
        point[1][0] = 150; point[1][1] = 50; point[1][2] = 0;
        //p3
        point[2][0] = 260;  point[2][1] = 150; point[2][2] = 0;
        //p4
        point[3][0] = 250; point[3][1] = 200; point[3][2] = 0;
        //p5
        point[4][0] = 160; point[4][1] = 300; point[4][2] = 0;
        //p6
        point[5][0] = 300; point[5][1] = 300; point[5][2] = 0;

...


for (int j=1;j<5;j++)
                {
                        pDC->MoveTo(buffer[j][0], buffer[j][1]);
                        pDC->LineTo(point[j][0], point[j][1]);
                        buffer[j][0] = point[j][0];
                        buffer[j][1] = point[j][1];
                }

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What error were you expecting?

If you turn up the warning level on the compiler, you might get a "use before initialisation" message.