exception in constructor

[kkaefer]

I seems like

variant/variant.hpp

Lines 480 to 481 in 2d8ca78

	new (&data) T(std::forward<Args>(args)...);
	type_index = detail::type_traits<T,Types...>::id;

has an error: when the constructor returns an exception, type_index still has the old type information stored. When running .set() again, it tries to delete the current content of the variant again.

[artemp]

@kkaefer - thanks for tracking this down!

[joto]

I have added a test case for this still unfixed issue.