[Bug c++/84893] Rejects a valid code with variadic function template taking a function pointer

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84893

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|8.0.1                       |8.1.0
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=83672

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
EDG accepts it but Clang doesn't:

84893.cc:7:5: error: no matching function for call to 'f'
    f<bool>(g);
    ^~~~~~~
84893.cc:2:6: note: candidate template ignored: failed template argument
deduction
void f(void(*)(T..., int)) { }
     ^
1 error generated.