[subset] fuzzer fix: https://oss-fuzz.com/testcase-detail/5715464591376384

src/hb-ot-color-cpal-table.hh

@@ -83,32 +83,12 @@ struct CPALV1Tail
     auto *out = c->allocate_size<CPALV1Tail> (static_size);
     if (unlikely (!out)) return_trace (false);
 
-    const hb_array_t<const HBUINT32> paletteFlags = (base+paletteFlagsZ).as_array (palette_count);
-    const hb_array_t<const NameID> paletteLabels = (base+paletteLabelsZ).as_array (palette_count);
+    out->paletteFlagsZ.serialize_copy (c, paletteFlagsZ, base, 0, hb_serialize_context_t::Head, palette_count);
+    out->paletteLabelsZ.serialize_copy (c, paletteLabelsZ, base, 0, hb_serialize_context_t::Head, palette_count);
+
     const hb_array_t<const NameID> colorLabels = (base+colorLabelsZ).as_array (color_count);
-
-    c->push ();
-    for (const auto _ : paletteFlags)
+    if (colorLabelsZ)
     {
-      if (!c->copy<HBUINT32> (_))
-      {
-        c->pop_discard ();
-        return_trace (false);
-      }
-    }
-    c->add_link (out->paletteFlagsZ, c->pop_pack ());
-
-    c->push ();
-    for (const auto _ : paletteLabels)
-    {
-      if (!c->copy<NameID> (_))
-      {
-        c->pop_discard ();
-        return_trace (false);
-      }
-    }
-    c->add_link (out->paletteLabelsZ, c->pop_pack ());
-
       c->push ();
       for (const auto _ : colorLabels)
       {
@@ -122,6 +102,7 @@ struct CPALV1Tail
         }
       }
       c->add_link (out->colorLabelsZ, c->pop_pack ());
+    }
     return_trace (true);
   }