Index: third_party/harfbuzz-ng/src/hb-ot-shape-fallback.cc |
diff --git a/third_party/harfbuzz-ng/src/hb-ot-shape-fallback.cc b/third_party/harfbuzz-ng/src/hb-ot-shape-fallback.cc |
index a774f951852ac2c6eef3b135436639ed7186d016..80d7da82f3882d2f48298b292ddd5e524e500edd 100644 |
--- a/third_party/harfbuzz-ng/src/hb-ot-shape-fallback.cc |
+++ b/third_party/harfbuzz-ng/src/hb-ot-shape-fallback.cc |
@@ -415,6 +415,8 @@ _hb_ot_shape_fallback_position (const hb_ot_shape_plan_t *plan, |
hb_font_t *font, |
hb_buffer_t *buffer) |
{ |
+ _hb_buffer_assert_gsubgpos_vars (buffer); |
+ |
unsigned int start = 0; |
unsigned int last_cluster = buffer->info[0].cluster; |
unsigned int count = buffer->len; |