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This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.there is no such thing as an acquire-release loadthere is no such thing as a release loadthere is no such thing as a release failure orderingthere is no such thing as an acquire-release failure orderingunsafe precondition(s) violated: slice::get_unchecked requires that the index is within the slice

This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.negative notification count