Fix PR19819

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@205709 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2014-04-07 13:32:26 +00:00
parent 3f357193cb
commit f1264e7c9e
3 changed files with 45 additions and 3 deletions

View File

@@ -1872,7 +1872,7 @@ template <class _Fp>
__packaged_task_function<_Rp(_ArgTypes...)>::__packaged_task_function(_Fp&& __f)
: __f_(nullptr)
{
typedef typename remove_reference<_Fp>::type _FR;
typedef typename remove_reference<typename decay<_Fp>::type>::type _FR;
typedef __packaged_task_func<_FR, allocator<_FR>, _Rp(_ArgTypes...)> _FF;
if (sizeof(_FF) <= sizeof(__buf_))
{
@@ -1897,7 +1897,7 @@ __packaged_task_function<_Rp(_ArgTypes...)>::__packaged_task_function(
: __f_(nullptr)
{
typedef allocator_traits<_Alloc> __alloc_traits;
typedef typename remove_reference<_Fp>::type _FR;
typedef typename remove_reference<typename decay<_Fp>::type>::type _FR;
typedef __packaged_task_func<_FR, _Alloc, _Rp(_ArgTypes...)> _FF;
if (sizeof(_FF) <= sizeof(__buf_))
{

View File

@@ -35,6 +35,8 @@ public:
int A::n_moves = 0;
int A::n_copies = 0;
int func(int i) { return i; }
int main()
{
{
@@ -58,4 +60,18 @@ int main()
assert(A::n_copies > 0);
assert(A::n_moves > 0);
}
{
std::packaged_task<int(int)> p(&func);
assert(p.valid());
std::future<int> f = p.get_future();
p(4);
assert(f.get() == 4);
}
{
std::packaged_task<int(int)> p(func);
assert(p.valid());
std::future<int> f = p.get_future();
p(4);
assert(f.get() == 4);
}
}

View File

@@ -37,6 +37,8 @@ public:
int A::n_moves = 0;
int A::n_copies = 0;
int func(int i) { return i; }
int main()
{
{
@@ -52,7 +54,7 @@ int main()
}
assert(test_alloc_base::count == 0);
A::n_copies = 0;
A::n_copies = 0;
A::n_moves = 0;
{
A a(5);
std::packaged_task<double(int, char)> p(std::allocator_arg,
@@ -66,4 +68,28 @@ int main()
assert(A::n_moves > 0);
}
assert(test_alloc_base::count == 0);
A::n_copies = 0;
A::n_moves = 0;
{
A a(5);
std::packaged_task<int(int)> p(std::allocator_arg, test_allocator<A>(), &func);
assert(test_alloc_base::count > 0);
assert(p.valid());
std::future<int> f = p.get_future();
p(4);
assert(f.get() == 4);
}
assert(test_alloc_base::count == 0);
A::n_copies = 0;
A::n_moves = 0;
{
A a(5);
std::packaged_task<int(int)> p(std::allocator_arg, test_allocator<A>(), func);
assert(test_alloc_base::count > 0);
assert(p.valid());
std::future<int> f = p.get_future();
p(4);
assert(f.get() == 4);
}
assert(test_alloc_base::count == 0);
}