[Bug c++/95299] New: sorry, unimplemented: mangling typename_type
jonathan.poelen at gmail dot com
gcc-bugzilla@gcc.gnu.org
Sun May 24 04:55:51 GMT 2020
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95299
Bug ID: 95299
Summary: sorry, unimplemented: mangling typename_type
Product: gcc
Version: 9.3.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: jonathan.poelen at gmail dot com
Target Milestone: ---
Since version 7 to trunk, the following code no longer compiles
(https://godbolt.org/z/T9gpw4)
template<int n>
struct func_select
{
using type = void;
};
struct func
{
template<class... seqs>
using f = typename func_select<sizeof...(seqs)>::type;
};
template<class>
struct to_int
{
using type = int;
};
template<class... T>
func::f<typename to_int<T>::type...> bar(T...)
{}
int main()
{
bar();
}
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