Does "Return value optimization" cause undefined behavior?
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by 6pack kid
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Published on 2010-02-24T05:42:31Z
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2010/05/17
5:30 UTC
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c++
|returnvalueoptimization
Reading this Wikipedia article pointed by one of the repliers to the following question:
http://stackoverflow.com/questions/2323225/c-copy-constructor-temporaries-and-copy-semantics
I came across this line
Depending on the compiler, and the compiler's settings, the resulting program may display any of the following outputs:
Doesn't this qualify for undefined behavior? I know the article says Depending on the compiler and settings but I just want to clear this.
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