---

yaml
---
r: 48507
b: refs/heads/snap-stage3
c: b673b26
h: refs/heads/master
i:
  48505: 3863681
  48503: c400b63
v: v3

Author: jld

[refs]

@@ -1,7 +1,7 @@
 ---
 refs/heads/master: 3bbcac322669cff3abde5be937cc4ec3860f3985
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
-refs/heads/snap-stage3: a5030e7615f7d37acaee69b13f97b9ffa23159a5
+refs/heads/snap-stage3: b673b26f03043f974682efceffbf40df9cf4bc84
 refs/heads/try: 2a8fb58d79e685d5ca07b039badcf2ae3ef077ea
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b

branches/snap-stage3/src/librustc/middle/trans/adt.rs

@@ -159,19 +159,27 @@ fn load_discr(bcx: block, scrutinee: ValueRef, min: int, max: int)
     }
 }
 
-pub fn trans_switch(bcx: block, r: &Repr, scrutinee: ValueRef) ->
-    (_match::branch_kind, Option<ValueRef>) {
+pub fn trans_switch(bcx: block, r: &Repr, scrutinee: ValueRef)
+    -> (_match::branch_kind, Option<ValueRef>) {
     match *r {
-        CEnum(min, max) => {
-            (_match::switch, Some(load_discr(bcx, scrutinee, min, max)))
+        CEnum(*) | General(*) => {
+            (_match::switch, Some(trans_cast_to_int(bcx, r, scrutinee)))
         }
         Unit(*) | Univariant(*) => {
             (_match::single, None)
         }
-        General(ref cases) => {
-            (_match::switch, Some(load_discr(bcx, scrutinee, 0,
-                                             (cases.len() - 1) as int)))
-        }
+    }
+}
+
+pub fn trans_cast_to_int(bcx: block, r: &Repr, scrutinee: ValueRef)
+    -> ValueRef {
+    match *r {
+        Unit(the_disc) => C_int(bcx.ccx(), the_disc),
+        CEnum(min, max) => load_discr(bcx, scrutinee, min, max),
+        Univariant(*) => bcx.ccx().sess.bug(~"type has no explicit \
+                                              discriminant"),
+        General(ref cases) => load_discr(bcx, scrutinee, 0,
+                                         (cases.len() - 1) as int)
     }
 }