http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56614
Bug #: 56614
Summary: [4.7/4.8 Regression] error: default argument
'std::vector<E>(std::initializer_list<E>{((const E*)(&
._0)), 1u}, (*(const std::allocator<E>*)(&
std::allocator<E>())))' uses local variable '._0'
Classification: Unclassified
Product: gcc
Version: 4.7.3
Status: UNCONFIRMED
Keywords: rejects-valid
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: r...@gcc.gnu.org
#include <initializer_list>
namespace std
{
template<typename T>
struct allocator
{ };
template<typename T, typename Alloc = std::allocator<T> >
struct vector
{
vector(std::initializer_list<T>, const Alloc& = Alloc()) { }
};
}
void func() { }
enum E { ee };
struct C
{
template<typename T>
C(T, std::vector<E> = std::vector<E>({ ee }))
{ }
};
struct G
{
void gen()
{
C c(&func);
}
};
$ g++ -std=c++11 err.cc
err.cc: In constructor 'C::C(T, std::vector<E>) [with T = void (*)()]':
err.cc:31:18: error: default argument
'std::vector<E>(std::initializer_list<E>{((const E*)(& ._0)), 1u}, (*(const
std::allocator<E>*)(& std::allocator<E>())))' uses local variable '._0'
C c(&func);
^
