Created on 2011-06-15.00:00:00 last changed 94 months ago
Rationale (August, 2011):
Possible resolutions to this issue need to be considered in a wider context, so it is more appropriate for the Evolution Working Group.
The current requirements of 11.4.2 [dcl.fct.def.default] paragraph 1 state that a defaulted copy constructor or copy assignment operator can have a reference to const parameter only if all its subobjects have corresponding functions with a reference to const parameter, even if that function is never called. This prevents some useful template classes.
(See also library issue 2068.)
See also issue 1426.
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