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Re: [PATCH][4.3] Deprecate -ftrapv
Joseph S. Myers wrote:
You also need to deal with fold, which will optimize away potentially
trapping computations with -ftrapv and runs before gimplification
(possibly in association with making fold run at gimplification time and
Indeed. However, errors missed due to fold eliminating them before
gimplification would be a false negative, so less of a problem. Since
this feature is designed to crash your program when it has a bug,
crashing your program somewhat less often doesn't make the feature
useless; just less useful.
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