From ede1105eb313c222b7e1d9f1c357cfaac4b6a964 Mon Sep 17 00:00:00 2001
From: Petr Pucil <petr.pucil@seznam.cz>
Date: Mon, 15 Apr 2024 23:09:55 +0200
Subject: [PATCH] formats_err: add `nav_parent_multi_one_unused`

See https://github.com/kaitai-io/kaitai_struct/issues/961
---
 formats_err/nav_parent_multi_one_unused.ksy | 23 +++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 formats_err/nav_parent_multi_one_unused.ksy

diff --git a/formats_err/nav_parent_multi_one_unused.ksy b/formats_err/nav_parent_multi_one_unused.ksy
new file mode 100644
index 000000000..7c3bc6bf6
--- /dev/null
+++ b/formats_err/nav_parent_multi_one_unused.ksy
@@ -0,0 +1,23 @@
+# nav_parent_multi_one_unused.ksy: /types/common/seq/0/size:
+# 	error: don't know how to call method 'len_body' of object type 'CalcKaitaiStructType(false)'
+#
+meta:
+  id: nav_parent_multi_one_unused
+seq:
+  - id: len_body
+    type: u1
+  - id: branch
+    type: common
+types:
+  # This type is unreachable from the top-level `seq`, but it is still
+  # generated, so it must affect the derived type of `_parent` in the
+  # `common` type, otherwise we would run into
+  # https://github.com/kaitai-io/kaitai_struct/issues/961.
+  unreachable:
+    seq:
+      - id: branch
+        type: common
+  common:
+    seq:
+      - id: body
+        size: _parent.len_body