libtiff/tif_getimage.c:1441: error: Integer Overflow L2
  ([0, `w`] - 1):unsigned32.

libtiff/tif_getimage.c:1433:1: <LHS trace>
1431.  * (known to have Map == NULL)
1432.  */
1433. DECLAREContigPutFunc(putRGBUAcontig8bittile)
      ^
1434. {
1435. 	int samplesperpixel = img->samplesperpixel;

libtiff/tif_getimage.c:1433:1: Parameter `w`
1431.  * (known to have Map == NULL)
1432.  */
1433. DECLAREContigPutFunc(putRGBUAcontig8bittile)
      ^
1434. {
1435. 	int samplesperpixel = img->samplesperpixel;

libtiff/tif_getimage.c:1441:8: Assignment
1439. 		uint32 r, g, b, a;
1440. 		uint8* m;
1441. 		for (x = w; x-- > 0;) {
             ^
1442. 			a = pp[3];
1443. 			m = img->UaToAa+((size_t) a<<8);

libtiff/tif_getimage.c:1441:15: Binary operation: ([0, w] - 1):unsigned32
1439. 		uint32 r, g, b, a;
1440. 		uint8* m;
1441. 		for (x = w; x-- > 0;) {
                    ^
1442. 			a = pp[3];
1443. 			m = img->UaToAa+((size_t) a<<8);
