https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66169
--- Comment #1 from Ying-Po Liao ---
The following example shows a Concept applied to the constructor of class A.
The compiler (r223061) will generate internal compiler error if A's subclass C
implements default behaviors of copy/move constructor
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: yingpo.liao at gmail dot com
Target Milestone: ---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66092
--- Comment #1 from Ying-Po Liao ---
Here's another implementation, which results in the same consequence.
template
struct Checker
{
constexpr static decltype(auto) check( std::true_type )
{ return std::integral_constant(); }
c
onent: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: yingpo.liao at gmail dot com
Target Milestone: ---
Concept can't check variadic template arguments (r222891).
The example code shows an implementation of a concept to check if all types are
the same via variadi
