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[libcxx] [test] Fix Clang -Wpessimizing-move "moving a temporary object prevents copy elision". 

N4618 30.6.6 [futures.unique_future]/12 declares "shared_future<R> share() noexcept;".

Fixes D29139.

llvm-svn: 294158
This commit is contained in:
Stephan T. Lavavej 2017-02-05 22:48:07 +00:00
parent 3c56112e3f
commit 0d6482f3bb
1 changed files with 6 additions and 6 deletions
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12
libcxx/test/std/thread/futures/futures.unique_future/share.pass.cpp
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@ -26,7 +26,7 @@ int main()
std::promise<T> p;
std::future<T> f0 = p.get_future();
static_assert( noexcept(f0.share()), "");
std::shared_future<T> f = std::move(f0.share());
std::shared_future<T> f = f0.share();
assert(!f0.valid());
assert(f.valid());
}
@ -34,7 +34,7 @@ int main()
typedef int T;
std::future<T> f0;
static_assert( noexcept(f0.share()), "");
std::shared_future<T> f = std::move(f0.share());
std::shared_future<T> f = f0.share();
assert(!f0.valid());
assert(!f.valid());
}
@ -43,7 +43,7 @@ int main()
std::promise<T> p;
std::future<T> f0 = p.get_future();
static_assert( noexcept(f0.share()), "");
std::shared_future<T> f = std::move(f0.share());
std::shared_future<T> f = f0.share();
assert(!f0.valid());
assert(f.valid());
}
@ -51,7 +51,7 @@ int main()
typedef int& T;
std::future<T> f0;
static_assert( noexcept(f0.share()), "");
std::shared_future<T> f = std::move(f0.share());
std::shared_future<T> f = f0.share();
assert(!f0.valid());
assert(!f.valid());
}
@ -60,7 +60,7 @@ int main()
std::promise<T> p;
std::future<T> f0 = p.get_future();
static_assert( noexcept(f0.share()), "");
std::shared_future<T> f = std::move(f0.share());
std::shared_future<T> f = f0.share();
assert(!f0.valid());
assert(f.valid());
}
@ -68,7 +68,7 @@ int main()
typedef void T;
std::future<T> f0;
static_assert( noexcept(f0.share()), "");
std::shared_future<T> f = std::move(f0.share());
std::shared_future<T> f = f0.share();
assert(!f0.valid());
assert(!f.valid());
}