Minor
diff --git a/src/hb-ot-shape-fallback.cc b/src/hb-ot-shape-fallback.cc
index eb7777e..5dc554c 100644
--- a/src/hb-ot-shape-fallback.cc
+++ b/src/hb-ot-shape-fallback.cc
@@ -311,7 +311,7 @@
hb_glyph_extents_t component_extents = base_extents;
unsigned int last_lig_component = (unsigned int) -1;
unsigned int last_combining_class = 255;
- hb_glyph_extents_t cluster_extents;
+ hb_glyph_extents_t cluster_extents = base_extents; /* Initialization is just to shut gcc up. */
for (unsigned int i = base + 1; i < end; i++)
if (_hb_glyph_info_get_modified_combining_class (&buffer->info[i]))
{
