http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60705
Daniel Krügler <daniel.kruegler at googlemail dot com> changed:
What |Removed |Added
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--- Comment #1 from Daniel Krügler <daniel.kruegler at googlemail dot com> ---
I wouldn't say that this is obvious, there exists an open core language issue
around this area:
http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_active.html#1554
Note that current Clang 3.5 HEAD also accepts the presented code.