This is an unofficial snapshot of the ISO/IEC JTC1 SC22 WG21 Core Issues List revision 117b. See http://www.open-std.org/jtc1/sc22/wg21/ for the official list.
2025-08-11
1324. Value initialization and defaulted constructorsSection: 9.5 [dcl.init] Status: CD3 Submitter: Daniel Krügler Date: 2011-05-22[Voted into the WP at the February, 2012 meeting; moved to DR at the October, 2012 meeting.]
One would expect that an example like
struct B {
B(const B&) = default;
};
B b{};
would invoke value-initialization, but (because it does not have a default constructor), the logic ladder of 9.5.5 [dcl.init.list] paragraph 3 makes it aggregate initialization instead:
If the initializer list has no elements and T is a class type with a default constructor, the object is value-initialized.
Otherwise, if T is an aggregate, aggregate initialization is performed (9.5.2 [dcl.init.aggr]).
Proposed resolution (August, 2011):
This issue is resolved by the resolution of issue 1301.
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