http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54755
Daniel Krügler <daniel.kruegler at googlemail dot com> changed:
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--- Comment #2 from Daniel Krügler <daniel.kruegler at googlemail dot com>
2012-09-29 23:07:59 UTC ---
(In reply to comment #1)
> I haven't bothered analysing the code, but Comeau and Clang agree it's
> ambiguous, so GCC is probably right.
I agree with Jonathan, the code is supposed to be ill-formed. This is so,
because the second stage of ADL is not allowed to consider overloads visible
*after* the point of the template definition where the call happens of function
argument types without associated namespaces.
