From 9d59d33515d889f6e65f50226ba83d91a36bba0e Mon Sep 17 00:00:00 2001
From: Patrick Walton <pcwalton@mimiga.net>
Date: Tue, 1 Mar 2011 16:49:05 -0800
Subject: [PATCH] rustc: Add in the size of the discriminant to
 generic_size_of() for tags

---
 src/comp/middle/trans.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/comp/middle/trans.rs b/src/comp/middle/trans.rs
index ed61fdd7e1e..0aaf582d024 100644
--- a/src/comp/middle/trans.rs
+++ b/src/comp/middle/trans.rs
@@ -909,7 +909,9 @@ fn dynamic_size_of(@block_ctxt cx, @ty.t t) -> result {
                 bcx.build.Store(umax(bcx, this_size, old_max_size), max_size);
             }
 
-            ret res(bcx, bcx.build.Load(max_size));
+            auto max_size_val = bcx.build.Load(max_size);
+            auto total_size = bcx.build.Add(max_size_val, llsize_of(T_int()));
+            ret res(bcx, total_size);
         }
     }
 }