Silence additional UBSan warnings
NOTE: The jdhuff.c/jdphuff.c warnings should have already been silenced
by 8e9cef2e6f5156c4b055a04a8f979b7291fc6b7a, but apparently I need to
be REALLY clear that I'm trying to do pointer arithmetic rather than
dereference an array. Grrr...
Refer to:
https://bugzilla.mozilla.org/show_bug.cgi?id=1301250
https://bugzilla.mozilla.org/show_bug.cgi?id=1301256
diff --git a/jdhuff.c b/jdhuff.c
index 338f2a4..bb2b848 100644
--- a/jdhuff.c
+++ b/jdhuff.c
@@ -109,9 +109,9 @@
actbl = compptr->ac_tbl_no;
/* Compute derived values for Huffman tables */
/* We may do this more than once for a table, but it's not expensive */
- pdtbl = entropy->dc_derived_tbls + dctbl;
+ pdtbl = (d_derived_tbl **)(entropy->dc_derived_tbls) + dctbl;
jpeg_make_d_derived_tbl(cinfo, TRUE, dctbl, pdtbl);
- pdtbl = entropy->ac_derived_tbls + actbl;
+ pdtbl = (d_derived_tbl **)(entropy->ac_derived_tbls) + actbl;
jpeg_make_d_derived_tbl(cinfo, FALSE, actbl, pdtbl);
/* Initialize DC predictions to 0 */
entropy->saved.last_dc_val[ci] = 0;