---

yaml
---
r: 5343
b: refs/heads/master
c: 4028a09
h: refs/heads/master
i:
  5341: 7df7c4b
  5339: d5098c2
  5335: dd14c64
  5327: 24d73ea
  5311: e5e921d
v: v3

Author: brson

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 172df2e3a224f58eb0fe162436fa1aa8d87e224b
+refs/heads/master: 4028a099f525c5368aa385283a2e88073ba2b3ea

trunk/src/rt/rust_builtin.cpp

@@ -551,6 +551,7 @@ chan_id_send(rust_task *task, type_desc *t, rust_task_id target_task_id,
             port->remote_chan->send(sptr);
         }
         target_task->deref();
+        task->yield();
     }
 }
 

trunk/src/test/run-pass/send-iloop.rs

@@ -0,0 +1,28 @@
+// FIXME #937
+// xfail-fast
+use std;
+import std::task;
+import std::comm;
+import std::uint;
+
+fn die() {
+    fail;
+}
+
+fn iloop() {
+    task::unsupervise();
+    let f = die;
+    task::spawn(f);
+    let p = comm::port::<()>();
+    let c = comm::chan(p);
+    while true {
+        comm::send(c, ());
+    }
+}
+
+fn main() {
+    for each i in uint::range(0u, 16u) {
+        let f = iloop;
+        task::spawn(f);
+    }
+}