auto merge of #6232 : pcwalton/rust/demuting, r=pcwalton

They're still parsed for bootstrapping purposes, but the qualifier is immediately dropped on the floor.

r? @nikomatsakis 

1 files changed, 5 insertions, 2 deletions

diff --git a/src/test/bench/task-perf-linked-failure.rs b/src/test/bench/task-perf-linked-failure.rs
index 90c9d6b33e4..6015f21be72 100644
--- a/src/test/bench/task-perf-linked-failure.rs
+++ b/src/test/bench/task-perf-linked-failure.rs
@@ -46,9 +46,12 @@ fn grandchild_group(num_tasks: uint) {
     // Master grandchild task exits early.
 }
 
-fn spawn_supervised_blocking(myname: &str, +f: ~fn()) {
+fn spawn_supervised_blocking(myname: &str, f: ~fn()) {
     let mut res = None;
-    task::task().future_result(|+r| res = Some(r)).supervised().spawn(f);
+    let mut builder = task::task();
+    builder.future_result(|r| res = Some(r));
+    builder.supervised();
+    builder.spawn(f);
     error!("%s group waiting", myname);
     let x = res.unwrap().recv();
     assert!(x == task::Success);