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
1651. Lifetime extension of temporary via reference to subobjectSection: 6.8.7 [class.temporary] Status: NAD Submitter: Richard Smith Date: 2013-04-15The resolution of issues 616 and 1213, making the result of a member access or subscript expression applied to a prvalue an xvalue, means that binding a reference to such a subobject of a temporary does not extend the temporary's lifetime. 6.8.7 [class.temporary] should be revised to ensure that it does.
Proposed resolution (February, 2014): [SUPERSEDED]
This issue is resolved by the resolution of issue 1299.
Rationale (February, 2019):
This concern is already covered by 6.8.7 [class.temporary] paragraph 6:
The temporary object to which the reference is bound or the temporary object that is the complete object of a subobject to which the reference is bound persists for the lifetime of the reference if...
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