[Bug c++/69139] [4.9/5/6 Regression] deduction failure with trailing return type in function template argument

[abutcher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69139

Adam Butcher <abutcher at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Assignee|abutcher at gcc dot gnu.org        |unassigned at gcc dot 
gnu.org

--- Comment #6 from Adam Butcher <abutcher at gcc dot gnu.org> ---
Patrick's solution with arbitrary lookahead
(https://gcc.gnu.org/ml/gcc-patches/2016-02/msg00595.html) looks better for
this.