[matcher] Fix reverse-sub test

behdad · behdad · commit 974f82862a4d · 2023-12-06T09:50:45.000-07:00
diff --git a/src/hb-ot-layout-gsubgpos.hh b/src/hb-ot-layout-gsubgpos.hh
@@ -522,7 +522,7 @@ struct hb_ot_apply_context_t :
     {
       idx = start_index_;
       end = c->buffer->len;
-      matcher.set_syllable (per_syllable ? c->buffer->cur().syllable () : 0);
+      matcher.set_syllable (per_syllable && c->buffer->idx < c->buffer->len ? c->buffer->cur().syllable () : 0);
     }
 
 #ifndef HB_OPTIMIZE_SIZE

Original file line number	Diff line number	Diff line change
`@@ -522,7 +522,7 @@ struct hb_ot_apply_context_t :`
`522`	`522`	`{`
`523`	`523`	`idx = start_index_;`
`524`	`524`	`end = c->buffer->len;`
`525`		`- matcher.set_syllable (per_syllable ? c->buffer->cur().syllable () : 0);`
	`525`	`+ matcher.set_syllable (per_syllable && c->buffer->idx < c->buffer->len ? c->buffer->cur().syllable () : 0);`
`526`	`526`	`}`
`527`	`527`
`528`	`528`	`#ifndef HB_OPTIMIZE_SIZE`