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Re: -fstrict-overflow and -Wstrict-overflow

On Fri, 12 Oct 2012, Masanobu SAITOH wrote:
One of (serious) problem that we can't use -Wstrict-overflow by default
is that gcc sometimes misundestand it :-<

How should we use it?

Do you have an example where gcc does the wrong thing with -Wstrict-overflow? (The example in your message, which I am not quoting here, showed gcc doing the right thing: that is, drawing attention to a case where the program invoked undefined behaviour.)

--apb (Alan Barrett)

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