rollup merge of #20264: nagisa/threadrng

Since runtime is removed, rust has no tasks anymore and everything is moving
from being task-* to thread-*. Let’s rename TaskRng as well!

This is a breaking change. If a breaking change for consistency is not desired, feel free to close.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/libstd/sync/rwlock.rs b/src/libstd/sync/rwlock.rs
index 29cc1f8563f..1b7a7f3f323 100644
--- a/src/libstd/sync/rwlock.rs
+++ b/src/libstd/sync/rwlock.rs
@@ -388,7 +388,7 @@ mod tests {
         for _ in range(0, N) {
             let tx = tx.clone();
             spawn(move|| {
-                let mut rng = rand::task_rng();
+                let mut rng = rand::thread_rng();
                 for _ in range(0, M) {
                     if rng.gen_weighted_bool(N) {
                         drop(R.write().unwrap());