Re: GCC optimizes integer overflow: bug or feature?

[Robert Dewar]

Richard B. Kreckel wrote:

> By the same token it would be wise to refrain from turning on any
> optimization that breaks programs which depend on wrapping signed
> integers. Silently breaking LIA-1 semantics is imprudent.

I am not so sure about that conclusion, which I why I would like to
see more data. It maybe that the loop induction optimization *is*
significant, and you must admit it is really really hard to imagine
real world code that depends on wrapping in this context.