auto merge of #9412 : thestinger/rust/no_starve_xfail, r=cmr

this is still broken on the bsd builder, perhaps because it has 1 core

Author: bors

src/libstd/rt/sched.rs

@@ -1212,25 +1212,22 @@ mod test {
         }
     }
 
-    #[test]
+    // FIXME: #9407: xfail-test
     fn dont_starve_1() {
         use rt::comm::oneshot;
         use unstable::running_on_valgrind;
 
-        // FIXME: #9407: should work while serialized on valgrind
-        if !running_on_valgrind() {
-            do stress_factor().times {
-                do run_in_mt_newsched_task {
-                    let (port, chan) = oneshot();
-
-                    // This task should not be able to starve the sender;
-                    // The sender should get stolen to another thread.
-                    do spawntask {
-                        while !port.peek() { }
-                    }
+        do stress_factor().times {
+            do run_in_mt_newsched_task {
+                let (port, chan) = oneshot();
 
-                    chan.send(());
+                // This task should not be able to starve the sender;
+                // The sender should get stolen to another thread.
+                do spawntask {
+                    while !port.peek() { }
                 }
+
+                chan.send(());
             }
         }
     }