Make join_results branch into the join block even when only one edge is live.

I don't don't totally understand the implications of this but it makes the
behavior consistent for all live edges, which is going to make joining the
arms of an alt expression work correctly.

1 files changed, 0 insertions, 6 deletions

diff --git a/src/comp/middle/trans.rs b/src/comp/middle/trans.rs
index b16acfd9d4c..f297d329282 100644
--- a/src/comp/middle/trans.rs
+++ b/src/comp/middle/trans.rs
@@ -3045,12 +3045,6 @@ fn join_results(@block_ctxt parent_cx,
             ret ins.(0);
         }
 
-        case (1u) {
-            // Only one incoming edge is live, so we just feed that block
-            // onward.
-            ret live.(0);
-        }
-
         case (_) { /* fall through */ }
     }