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Re: -fstrict-overflow and -Wstrict-overflow

On Fri, Oct 12, 2012 at 08:13:24PM +0200, Alan Barrett 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.)

fairly simple one: games/backgammon/backgammon/move.c, at line 164.

David A. Holland

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