mv std libs to library/

1 files changed, 19 insertions, 0 deletions

diff --git a/library/core/benches/ops.rs b/library/core/benches/ops.rs
new file mode 100644
index 00000000000..0a2be8a2881
--- /dev/null
+++ b/library/core/benches/ops.rs
@@ -0,0 +1,19 @@
+use core::ops::*;
+use test::Bencher;
+
+// Overhead of dtors
+
+struct HasDtor {
+    _x: isize,
+}
+
+impl Drop for HasDtor {
+    fn drop(&mut self) {}
+}
+
+#[bench]
+fn alloc_obj_with_dtor(b: &mut Bencher) {
+    b.iter(|| {
+        HasDtor { _x: 10 };
+    })
+}