libtiff/tif_getimage.c:1282: error: Integer Overflow L2
  ([0, `w`] - 1):unsigned32.

libtiff/tif_getimage.c:1274:1: <LHS trace>
1272.  * (known to have Map == NULL)
1273.  */
1274. DECLAREContigPutFunc(putRGBUAcontig8bittile)
      ^
1275. {
1276. 	int samplesperpixel = img->samplesperpixel;

libtiff/tif_getimage.c:1274:1: Parameter `w`
1272.  * (known to have Map == NULL)
1273.  */
1274. DECLAREContigPutFunc(putRGBUAcontig8bittile)
      ^
1275. {
1276. 	int samplesperpixel = img->samplesperpixel;

libtiff/tif_getimage.c:1282:8: Assignment
1280. 		uint32 r, g, b, a;
1281. 		uint8* m;
1282. 		for (x = w; x-- > 0;) {
             ^
1283. 			a = pp[3];
1284. 			m = img->UaToAa+(a<<8);

libtiff/tif_getimage.c:1282:15: Binary operation: ([0, w] - 1):unsigned32
1280. 		uint32 r, g, b, a;
1281. 		uint8* m;
1282. 		for (x = w; x-- > 0;) {
                    ^
1283. 			a = pp[3];
1284. 			m = img->UaToAa+(a<<8);
