gcc/tests/Sanity/test-m32-m64-options/lambda-template.C

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2022-07-29 14:27:49 +00:00
// { dg-options -std=c++0x }
// { dg-do run }
extern "C" void abort();
template <class T>
auto apply (T t) -> decltype (t())
{
return t();
}
template <class T>
T f(T t)
{
T t2 = t;
if (t != [=]()->T { return t; }())
abort ();
if (t != [=] { return t; }())
abort ();
if (t != [=] { return t2; }())
abort ();
if (t != [&] { return t; }())
abort ();
if (t != apply([=]{return t;}))
abort ();
int i;
[&] (int a) { return a+i+t; } (0);
[&] (int a) -> decltype(a) { return a+i+t; } (0);
[&] (int a) -> decltype(i) { return a+i+t; } (0);
[&] (int a) -> decltype(t) { return a+i+t; } (0);
[&] (int a) -> decltype(a+i) { return a+i+t; } (0);
[&] (int a) -> decltype(a+t) { return a+i+t; } (0);
[&] (int a) -> decltype(i+t) { return a+i+t; } (0);
[&] (int a) -> decltype(a+i+t) { return a+i+t; } (0);
}
int main()
{
f(0xbeef);
}