[Bug c++/63356] Compilation failure where clang does not have problems
trippels at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Wed Sep 24 14:44:00 GMT 2014
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63356
--- Comment #8 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
template <typename _Tp>
struct A {
static constexpr _Tp value = 0;
};
template <typename...>
struct B;
template <typename _B1>
struct B<_B1> : _B1 {};
template <typename _Tp>
_Tp declval();
template <typename _From, typename _To>
struct C {
template <typename _From1, typename _To1,
typename = decltype(_To1(declval<_From1>()))>
static A<int> __test(int);
typedef decltype(__test<_From, _To>(0)) type;
};
template <typename _From, typename _To>
struct I : C<_From, _To>::type {};
template <int>
struct D {};
template <class _T1, class>
struct F {
_T1 first;
template <class _U1, class _U2,
class = typename D<B<I<_U1, _T1>>::value>::type>
F(F<_U1, _U2>);
template <class _U2>
F(_T1 p1, _U2)
: first(p1) {}
};
class G;
class H {
public:
void push_back(F<F<F<G, G>, int>, int *>);
};
class G {
public:
template <typename PointType>
G(PointType);
H processEvent__counts_from_scanline;
void processEvent_() {
processEvent__counts_from_scanline.push_back(
F<F<F<G, G>, int>, int *>(F<F<G, G>, int>(F<G, G>(0, 0), 0), 0));
}
};
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