1 files changed, 5 insertions, 4 deletions
diff --git a/bootstrap/cgen.c b/bootstrap/cgen.c
index 9fa954c..8a01e09 100644
--- a/bootstrap/cgen.c
+++ b/bootstrap/cgen.c
@@ -554,10 +554,11 @@ defctype(const struct type *ty, void *_) {
       defctype(ty->child, NULL);
       break;
    case TYarr:
-      assert(ty->length >= 0);
-      defctype(ty->child, NULL);
-      *cname = xasprintf("__ty%d", id++);
-      pri("typedef %t %s[%U];\n", ty->child, *cname, ty->length);
+      if (ty->length >= 0) {
+         defctype(ty->child, NULL);
+         *cname = xasprintf("__ty%d", id++);
+         pri("typedef %t %s[%U];\n", ty->child, *cname, ty->length);
+      }
       break;
    case TYslice:
       defctype(ty->child, NULL);