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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/19741] suboptimal error message for template functions (as opposed to non-templates)
Date: Fri, 20 Jan 2012 03:16:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D19741

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-01-20 0=
2:56:03 UTC ---
We get on the trunk:
t.cc: In function =E2=80=98int main()=E2=80=99:
t.cc:21:33: error: no matching function for call to =E2=80=98Op<int>::Exec(=
int,
<unresolved overloaded function type>)=E2=80=99
t.cc:21:33: note: candidate is:
t.cc:13:14: note: static bool Op<T>::Exec(T, Op<T>::op_func) [with T =3D in=
t;
Op<T>::op_func =3D bool (*)(int)]
t.cc:13:14: note:   no known conversion for argument 2 from =E2=80=98<unres=
olved
overloaded function type>=E2=80=99 to =E2=80=98Op<int>::op_func {aka bool (=
*)(int)}=E2=80=99
t.cc: In instantiation of =E2=80=98static bool Op<T>::Exec(T, Op<T>::op_fun=
c) [with T =3D
int; Op<T>::op_func =3D bool (*)(int)]=E2=80=99:
t.cc:21:11:   required from here
t.cc:15:25: warning: cast to pointer from integer of different size
[-Wint-to-pointer-cast]