1 files changed, 1 insertions, 0 deletions
diff --git a/gc.h b/gc.h
index 4c3bc042..7025fa59 100644
--- a/gc.h
+++ b/gc.h
@@ -43,6 +43,7 @@ val gc_call_finalizers(val obj);
 #if CONFIG_GEN_GC
 val gc_set(loc, val);
 val gc_push(val, loc);
+void gc_assign_check(val p, val c);
 val gc_mutated(val);
 extern int full_gc;
 #endif