---

yaml
---
r: 118980
b: refs/heads/master
c: a0ec902
h: refs/heads/master
v: v3

Author: dotdash

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: e4e3550ff6ee1754ea4d7191989044c444bff049
+refs/heads/master: a0ec902e239b2219edf1a18b036dd32c18d3be42
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 71fe44def9676d519f5ce5d7304e581a42cf2c70
 refs/heads/try: 1813e5aa1a03b0596b8de7abd1af31edf5d6098f

trunk/src/librustc/middle/trans/expr.rs

@@ -610,7 +610,6 @@ fn trans_rvalue_stmt_unadjusted<'a>(bcx: &'a Block<'a>,
             controlflow::trans_loop(bcx, expr.id, &**body)
         }
         ast::ExprAssign(ref dst, ref src) => {
-            let src_datum = unpack_datum!(bcx, trans(bcx, &**src));
             let dst_datum = unpack_datum!(bcx, trans_to_lvalue(bcx, &**dst, "assign"));
 
             if ty::type_needs_drop(bcx.tcx(), dst_datum.ty) {
@@ -630,12 +629,13 @@ fn trans_rvalue_stmt_unadjusted<'a>(bcx: &'a Block<'a>,
                 //
                 // We could avoid this intermediary with some analysis
                 // to determine whether `dst` may possibly own `src`.
+                let src_datum = unpack_datum!(bcx, trans(bcx, &**src));
                 let src_datum = unpack_datum!(
                     bcx, src_datum.to_rvalue_datum(bcx, "ExprAssign"));
                 bcx = glue::drop_ty(bcx, dst_datum.val, dst_datum.ty);
                 src_datum.store_to(bcx, dst_datum.val)
             } else {
-                src_datum.store_to(bcx, dst_datum.val)
+                trans_into(bcx, &**src, SaveIn(dst_datum.to_llref()))
             }
         }
         ast::ExprAssignOp(op, ref dst, ref src) => {