libvpx: Pull from upstream

source/libvpx/vp9/decoder/vp9_decodemv.c

Index: source/libvpx/vp9/decoder/vp9_decodemv.c
===================================================================
--- source/libvpx/vp9/decoder/vp9_decodemv.c	(revision 293588)
+++ source/libvpx/vp9/decoder/vp9_decodemv.c	(working copy)
@@ -438,11 +438,8 @@
     RefBuffer *ref_buf = &cm->frame_refs[frame - LAST_FRAME];
     xd->block_refs[ref] = ref_buf;
     if ((!vp9_is_valid_scale(&ref_buf->sf)))
-      vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
+      vpx_internal_error(xd->error_info, VPX_CODEC_UNSUP_BITSTREAM,
                          "Reference frame has invalid dimensions");
-    if (ref_buf->buf->corrupted)
-      vpx_internal_error(&cm->error, VPX_CODEC_CORRUPT_FRAME,
-                         "Block reference is corrupt");
     vp9_setup_pre_planes(xd, ref, ref_buf->buf, mi_row, mi_col,
                          &ref_buf->sf);
     vp9_find_mv_refs(cm, xd, tile, mi, frame, mbmi->ref_mvs[frame],
@@ -454,7 +451,7 @@
   if (vp9_segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP)) {
     mbmi->mode = ZEROMV;
     if (bsize < BLOCK_8X8) {
-        vpx_internal_error(&cm->error, VPX_CODEC_UNSUP_BITSTREAM,
+        vpx_internal_error(xd->error_info, VPX_CODEC_UNSUP_BITSTREAM,
                            "Invalid usage of segement feature on small blocks");
         return;
     }