N3188 - Revision to N3113: Async Launch Policies (CH 36)

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@120027 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/thread/futures/futures.async/async.pass.cpp b/test/thread/futures/futures.async/async.pass.cpp
index 16565e7..697eb08 100644
--- a/test/thread/futures/futures.async/async.pass.cpp
+++ b/test/thread/futures/futures.async/async.pass.cpp
@@ -82,7 +82,7 @@
         assert(t1-t0 < ms(100));
     }
     {
-        std::future<int> f = std::async(std::launch::sync, f0);
+        std::future<int> f = std::async(std::launch::deferred, f0);
         std::this_thread::sleep_for(ms(300));
         Clock::time_point t0 = Clock::now();
         assert(f.get() == 3);
@@ -115,7 +115,7 @@
         assert(t1-t0 < ms(100));
     }
     {
-        std::future<int&> f = std::async(std::launch::sync, f1);
+        std::future<int&> f = std::async(std::launch::deferred, f1);
         std::this_thread::sleep_for(ms(300));
         Clock::time_point t0 = Clock::now();
         assert(&f.get() == &i);
@@ -148,7 +148,7 @@
         assert(t1-t0 < ms(100));
     }
     {
-        std::future<void> f = std::async(std::launch::sync, f2);
+        std::future<void> f = std::async(std::launch::deferred, f2);
         std::this_thread::sleep_for(ms(300));
         Clock::time_point t0 = Clock::now();
         f.get();