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c++ - How to disable return value optimization in Visual Studio 2010?

in Technique[技术] by (71.8m points)

Is it possible to disable RVO (return value optimization) in Visual Studio 2010? Setting optimization flag to /Od (turns off all optimizations) doesn't help. In g++ there exists flag -fno-elide-constructors which disables RVO.

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by (71.8m points)

You cannot. It is just that simple. RVO/NRVO is Standard, and your code should not depend on it not being present.


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