---

yaml
---
r: 5378
b: refs/heads/master
c: 1eaddb7
h: refs/heads/master
v: v3

Author: marijnh

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8c85745452d4667dcdb691b55a575d3cf513a2ac
+refs/heads/master: 1eaddb772eb52722e705be6f414de2e398ba4b82

trunk/src/comp/middle/trans.rs

@@ -4470,7 +4470,9 @@ fn trans_put(in_cx: @block_ctxt, e: option::t<@ast::expr>) -> result {
     let dummy_retslot = alloca(bcx, T_nil());
     let llargs: [ValueRef] = [dummy_retslot, cx.fcx.lltaskptr, llenv];
     alt e {
-      none. { }
+      none. {
+        llargs += [C_null(T_ptr(T_nil()))];
+      }
       some(x) {
         let e_ty = ty::expr_ty(bcx_tcx(cx), x);
         let arg = {mode: ast::by_ref, ty: e_ty};