replace old_iter::repeat with the Times trait

src/test/bench/task-perf-alloc-unwind.rs

@@ -30,7 +30,7 @@ fn main() {
 }
 
 fn run(repeat: int, depth: int) {
-    for old_iter::repeat(repeat as uint) {
+    for (repeat as uint).times {
         debug!("starting %.4f", precise_time_s());
         do task::try {
             recurse_or_fail(depth, None)

src/test/run-fail/extern-fail.rs

@@ -37,7 +37,7 @@ fn count(n: uint) -> uint {
 }
 
 fn main() {
-    for old_iter::repeat(10u) {
+    for 10u.times {
         do task::spawn {
             let result = count(5u);
             debug!("result = %?", result);

src/test/run-pass/bitv-perf-test.rs

@@ -21,5 +21,5 @@ fn bitv_test() -> bool {
 }
 
 pub fn main() {
-    do old_iter::repeat(10000) || {bitv_test()};
+    do 10000.times || {bitv_test()};
 }

src/test/run-pass/extern-stress.rs

@@ -34,7 +34,7 @@ fn count(n: uint) -> uint {
 }
 
 pub fn main() {
-    for old_iter::repeat(100u) {
+    for 100u.times {
         do task::spawn {
             assert!(count(5u) == 16u);
         };

src/test/run-pass/extern-yield.rs

@@ -31,7 +31,7 @@ fn count(n: uint) -> uint {
 }
 
 pub fn main() {
-    for old_iter::repeat(10u) {
+    for 10u.times {
         do task::spawn {
             let result = count(5u);
             debug!("result = %?", result);