https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77474
Bug ID: 77474 Summary: sizeof and function template don't work properly together Product: gcc Version: 6.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: michele.caini at gmail dot com Target Milestone: --- The following code compiles: void f() { } int main() { sizeof(&f); } The following does not instead: template<typename T> void f() { } int main() { sizeof(&f<int>); } The error returned is: error: address of overloaded function with no contextual type information According to expr.sizeof, both of them should compile.