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[Bug c++/42702] New: Unimplemented functionality
- From: "piotr dot wyderski at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 12 Jan 2010 12:56:10 -0000
- Subject: [Bug c++/42702] New: Unimplemented functionality
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
g++ -std=gnu++0x -c -O2
prints:
minimal.cpp:8:44: sorry, unimplemented: cannot expand '_Tail ...' into a
fixed-l
ength argument list
reduced testcase:
template<typename _Tp>
class tuple<>
{
{
}
template<std::size_t __i, typename _Head, typename... _Tail>
struct tuple_element<__i, tuple<_Head, _Tail...> >
: tuple_element<__i - 1, tuple<_Tail...> > { };
--
Summary: Unimplemented functionality
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: piotr dot wyderski at gmail dot com
GCC host triplet: Cygwin/GCC-trunk
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42702