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Re:“It is never a compiler error” by ensiferum on Wednesday November 15, 2017 @09:50AM (#15704099)
Umh.. the compiler writers don't "exploit undefined behaviour".

The compiler writers write the compiler with the expectation that the program being compiled is correct i.e. to the specification.

Now when the program fails to be correct, optimizations can result in "weird" results, which is not really incorrect since the input was incorrect.

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