Fix too-large constants in linked failure tests for happier valgrinding

src/libcore/task.rs

@@ -1219,7 +1219,7 @@ fn test_spawn_unlinked_unsup_no_fail_down() { // grandchild sends on a port
     do spawn_unlinked {
         do spawn_unlinked {
             // Give middle task a chance to fail-but-not-kill-us.
-            for iter::repeat(8192) { task::yield(); }
+            for iter::repeat(128) { task::yield(); }
             comm::send(ch, ()); // If killed first, grandparent hangs.
         }
         fail; // Shouldn't kill either (grand)parent or (grand)child.
@@ -1234,7 +1234,7 @@ fn test_spawn_unlinked_unsup_no_fail_up() { // child unlinked fails
 fn test_spawn_unlinked_sup_no_fail_up() { // child unlinked fails
     do spawn_supervised { fail; }
     // Give child a chance to fail-but-not-kill-us.
-    for iter::repeat(8192) { task::yield(); }
+    for iter::repeat(128) { task::yield(); }
 }
 #[test] #[should_fail] #[ignore(cfg(windows))]
 fn test_spawn_unlinked_sup_fail_down() {
@@ -1304,7 +1304,7 @@ fn test_spawn_failure_propagate_grandchild() {
             loop { task::yield(); }
         }
     }
-    for iter::repeat(8192) { task::yield(); }
+    for iter::repeat(128) { task::yield(); }
     fail;
 }
 
@@ -1316,7 +1316,7 @@ fn test_spawn_failure_propagate_secondborn() {
             loop { task::yield(); }
         }
     }
-    for iter::repeat(8192) { task::yield(); }
+    for iter::repeat(128) { task::yield(); }
     fail;
 }
 
@@ -1328,7 +1328,7 @@ fn test_spawn_failure_propagate_nephew_or_niece() {
             loop { task::yield(); }
         }
     }
-    for iter::repeat(8192) { task::yield(); }
+    for iter::repeat(128) { task::yield(); }
     fail;
 }
 
@@ -1340,7 +1340,7 @@ fn test_spawn_linked_sup_propagate_sibling() {
             loop { task::yield(); }
         }
     }
-    for iter::repeat(8192) { task::yield(); }
+    for iter::repeat(128) { task::yield(); }
     fail;
 }
 
@@ -1741,7 +1741,7 @@ fn test_atomically_nested() {
 fn test_child_doesnt_ref_parent() {
     // If the child refcounts the parent task, this will stack overflow when
     // climbing the task tree to dereference each ancestor. (See #1789)
-    const generations: uint = 8192;
+    const generations: uint = 128;
     fn child_no(x: uint) -> fn~() {
         ret || {
             if x < generations {