ensure folly uses no deprecated entities

Summary:
In preparation for adding a deprecation annotation to
Synchronized::operator->, ensure that folly builds deprecation-clean.

Reviewed By: yfeldblum

Differential Revision: D18351118

fbshipit-source-id: f90a230d24a95e3983989d2c3caf7a4383a8226a

folly/container/test/F14SetTest.cpp

@@ -14,6 +14,12 @@
  * limitations under the License.
  */
 
+#include <folly/Portability.h>
+// Allow tests for keys that throw in copy/move constructors. This
+// warning has to be disabled before the templates are defined in the
+// header to have any effect.
+FOLLY_GNU_DISABLE_WARNING("-Wdeprecated-declarations")
+
 #include <folly/container/F14Set.h>
 
 #include <unordered_map>

folly/experimental/coro/TimedWait.h

@@ -38,7 +38,7 @@ timed_wait(Awaitable awaitable, Duration duration) {
       detail::lift_lvalue_reference_t<semi_await_result_t<Awaitable>>>>>
       result;
 
-  futures::sleepUnsafe(duration).setCallback_(
+  futures::sleep(duration).toUnsafeFuture().setCallback_(
       [posted, &baton, executor = co_await co_current_executor](
           auto&&, auto&&) {
         if (!posted->exchange(true, std::memory_order_relaxed)) {