libwebp-0.6.0-rc1

third_party/libwebp/dsp/lossless_enc_sse41.c

Index: third_party/libwebp/dsp/lossless_enc_sse41.c
diff --git a/third_party/libwebp/dsp/lossless_enc_sse41.c b/third_party/libwebp/dsp/lossless_enc_sse41.c
index 3e493198dbefc708a18d994bfcab4a6af9069b86..821057ccd4aaad073a12af7e0af080c4187da0e0 100644
--- a/third_party/libwebp/dsp/lossless_enc_sse41.c
+++ b/third_party/libwebp/dsp/lossless_enc_sse41.c
@@ -32,7 +32,9 @@ static void SubtractGreenFromBlueAndRed(uint32_t* argb_data, int num_pixels) {
     _mm_storeu_si128((__m128i*)&argb_data[i], out);
   }
   // fallthrough and finish off with plain-C
-  VP8LSubtractGreenFromBlueAndRed_C(argb_data + i, num_pixels - i);
+  if (i != num_pixels) {
+    VP8LSubtractGreenFromBlueAndRed_C(argb_data + i, num_pixels - i);
+  }
 }
 
 //------------------------------------------------------------------------------