it crashes when thickness is more than one (Bug #1274)

The following inpainting demo works if thickness of drawing line is 1 and crashes when it is 2 or more. Version: 2.2 on MinGW

 1#include "opencv2/highgui/highgui.hpp" 
 2#include "opencv2/imgproc/imgproc.hpp" 
 3#include <iostream>
 4using namespace cv;
 5using namespace std;
 6
 7Mat img, inpaintMask;
 8Point prevPt(-1,-1);
 9
10void onMouse( int event, int x, int y, int flags, void* )
11{
12    if( event == CV_EVENT_LBUTTONUP || !(flags & CV_EVENT_FLAG_LBUTTON) )
13        prevPt = Point(-1,-1);
14    else if( event == CV_EVENT_LBUTTONDOWN )
15        prevPt = Point(x,y);
16    else if( event == CV_EVENT_MOUSEMOVE && (flags & CV_EVENT_FLAG_LBUTTON) )
17    {
18        Point pt(x,y);
19        if( prevPt.x < 0 ) prevPt = pt;
20        line( inpaintMask, prevPt, pt, Scalar::all(255), 1, 8, 0 );
21//        line( inpaintMask, prevPt, pt, Scalar::all(255), 2, 8, 0 ); // crashes
22        line( img, prevPt, pt, Scalar::all(255), 1, 8, 0 );
23//        line( img, prevPt, pt, Scalar::all(255), 2, 8, 0 ); // crashes
24        prevPt = pt;
25        imshow("image", img);
26    }
27}
28
29int main( int argc, char** argv )
30{
31    char* filename = argc >= 2 ? argvr1 : (char*)"fruits.jpg";
32    Mat img0 = imread(filename, -1);
33    if(img0.empty())
34    {
35        cout << "Couldn't open the image " << filename << ". Usage: inpaint <image_name>\n" << endl;
36        return 0;
37    }
38
39    namedWindow( "image", 1 );
40
41    img = img0.clone();
42    inpaintMask = Mat::zeros(img.size(), CV_8U);
43
44    imshow("image", img);
45    setMouseCallback( "image", onMouse, 0 );
46
47    for(;;)
48    {
49        char c = (char)waitKey();
50
51        if( c == 27 )
52            break;
53
54        if( c == 'r' )
55        {
56            inpaintMask = Scalar::all(0);
57            img0.copyTo(img);
58            imshow("image", img);
59        }
60
61        if( c == 'i' || c == ' ' )
62        {
63            Mat inpainted;
64            inpaint(img, inpaintMask, inpainted, 3, CV_INPAINT_TELEA);
65            imshow("inpainted image", inpainted);
66        }
67    }
68
69    return 0;
70}