http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50298
Bug #: 50298
Summary: [C++0x][constexpr] References cannot be bound to
static constexpr reference members
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: [email protected]
ReportedBy: [email protected]
int global_variable;
struct X {
static constexpr int& r = global_variable; // error: the value of
'global_variable' is not usable in a constant expression
};
this code should be accepted in C++0x mode, but gcc-4.7-20110903 rejects it.
see also:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49172
