From a4155d7746ebe824ef5d90cbea2682f9f17b47ce Mon Sep 17 00:00:00 2001
From: David Renshaw <dwrenshaw@gmail.com>
Date: Sat, 21 Jun 2014 09:32:52 -0400
Subject: [PATCH] set discriminant

---
 compiler/src/main/cpp/capnpc-java.c++ | 1 +
 1 file changed, 1 insertion(+)

diff --git a/compiler/src/main/cpp/capnpc-java.c++ b/compiler/src/main/cpp/capnpc-java.c++
index 698e000..e158d6c 100644
--- a/compiler/src/main/cpp/capnpc-java.c++
+++ b/compiler/src/main/cpp/capnpc-java.c++
@@ -937,6 +937,7 @@ private:
           spaces(indent), "    throw new Error();\n",
           spaces(indent), "  }\n",
           spaces(indent), "  public final ", type, ".Builder init", titleCase, "() {\n",
+          unionDiscrim.set,
           spaces(indent), "    return ",
           type, ".factory.fromStructBuilder(_builder.getPointerField(", offset, ").initStruct(",
           type, ".STRUCT_SIZE", "));\n",