---

yaml
---
r: 37157
b: refs/heads/try
c: db679a7
h: refs/heads/master
i:
  37155: ff9077c
v: v3

Author: catamorphism

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: 09bb07bed9166105ea961a42b5fff7739ae0d2e9
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: eb8fd119c65c67f3b1b8268cc7341c22d39b7b61
-refs/heads/try: 66cea3700e6041bf0c7db280fc92fbb1812da724
+refs/heads/try: db679a738f10953e0682e277ab85d39c3c546fd1
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: a810c03263670238bccd64cabb12a23a46e3a278

branches/try/src/rustc/middle/trans/datum.rs

@@ -336,9 +336,6 @@ impl Datum {
     // This works like copy_val, except that it deinitializes the source.
     // Since it needs to zero out the source, src also needs to be an lval.
     //
-    // FIXME (#839): We always zero out the source. Ideally we would
-    // detect the case where a variable is always deinitialized by
-    // block exit and thus doesn't need to be dropped.
     fn move_to(bcx: block, action: CopyAction, dst: ValueRef) -> block {
         let _icx = bcx.insn_ctxt("move_to");
         let mut bcx = bcx;