This code snippet
struct Base{};
struct Derived: Base{
using Base::Base;
};
int main()
{
Base b;
Derived d{b};
}
compiles fine on clang++3.9, however it fails on all gcc's (including 7) and clangs with versions smaller than 3.9 with the error msg
error: no matching function for call to 'Derived::Derived() Derived d{b}'.
Is the code above standard compliant or not?
PS: if I comment out the using Base::Base
line, the code does not compile anymore on clang-3.9.
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