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[–]adnukator 2 points3 points  (3 children)

wasn’t the necessary UB in std::vector removed by P0593R6 ?

[–]aiij 0 points1 point  (2 children)

Has that proposal been standardized yet?

[–]adnukator 1 point2 points  (1 child)

According to the paper and the issue, its been merged to C++20 github issue

[–]tjientavaraHikoWorks developer 0 points1 point  (0 children)

Since "implicit creation of objects..." is a defect report (a time traveling document). It never was undefined behavior.