Index: third_party/harfbuzz-ng/src/hb-ot-shape-normalize.cc |
diff --git a/third_party/harfbuzz-ng/src/hb-ot-shape-normalize.cc b/third_party/harfbuzz-ng/src/hb-ot-shape-normalize.cc |
index 2a6a4390030313bd265d067db2d502a04b4d95d8..4287253aed1c784be374b1ec86898e528d7cdaca 100644 |
--- a/third_party/harfbuzz-ng/src/hb-ot-shape-normalize.cc |
+++ b/third_party/harfbuzz-ng/src/hb-ot-shape-normalize.cc |
@@ -289,6 +289,8 @@ _hb_ot_shape_normalize (const hb_ot_shape_plan_t *plan, |
hb_buffer_t *buffer, |
hb_font_t *font) |
{ |
+ _hb_buffer_assert_unicode_vars (buffer); |
+ |
hb_ot_shape_normalization_mode_t mode = plan->shaper->normalization_preference; |
const hb_ot_shape_normalize_context_t c = { |
plan, |