From fa8da9d6b317f39402f1127575e2bd08db33c508 Mon Sep 17 00:00:00 2001
From: Luqman Aden <me@luqman.ca>
Date: Mon, 7 Jul 2014 14:41:18 -0700
Subject: [PATCH] librustc: Update debuginfo.

---
 src/librustc/middle/trans/debuginfo.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/librustc/middle/trans/debuginfo.rs b/src/librustc/middle/trans/debuginfo.rs
index eaa4ce23f1a..d48f8bcf908 100644
--- a/src/librustc/middle/trans/debuginfo.rs
+++ b/src/librustc/middle/trans/debuginfo.rs
@@ -2152,8 +2152,12 @@ fn create_member_descriptions(&self, cx: &CrateContext) -> Vec<MemberDescription
                 let null_variant_index = (1 - nndiscr) as uint;
                 let null_variant_ident = self.variants.get(null_variant_index).name;
                 let null_variant_name = token::get_ident(null_variant_ident);
+                let discrfield = match ptrfield {
+                    adt::ThinPointer(field) => format!("{}", field),
+                    adt::FatPointer(field, pair) => format!("{}${}", field, pair)
+                };
                 let union_member_name = format!("RUST$ENCODED$ENUM${}${}",
-                                                ptrfield,
+                                                discrfield,
                                                 null_variant_name);
 
                 // Create the (singleton) list of descriptions of union members.