http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57471
Bug ID: 57471
Summary: [C++11] Bizarre error for template parameter pack
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: ai.azuma at gmail dot com
Created attachment 30226
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30226&action=edit
Output of -v option and preprocessed source
GCC 4.9.0 20130526 rejects the following valid code.
//-----------------------------------------
struct A
{
static constexpr bool value = true;
};
template<typename... Types>
struct B
{
static_assert(A::value, "");
static_assert(sizeof...(Types) == 0, "");
};
//-----------------------------------------
The error message is;
main.cpp:10:27: error: 'A::Types' has not been declared
static_assert(sizeof...(Types) == 0, "");
^
The above code successfully compiles with 4.7.4 20130525 and 4.8.1 20130523.
