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Re: [RFC] GCC caret diagnostics
"Manuel LÃpez-IbÃÃez" <lopezibanez@gmail.com> writes:
> On 08/03/2008, Ian Lance Taylor <iant@google.com> wrote:
>>
>> Another approach would be to only use the carets for parse errors,
>> which is where they are the most helpful. For a middle-end error like
>> "assuming signed overflow does not occur when simplifying
>> multiplication" a caret pointer might be more misleading than
>> otherwise, as one thing we know for sure is that it would not point at
>> a multiplication operator.
>>
>
> I don't get this. So, what is it pointing to?
I don't know for sure. I would guess that it would point to the start
of the statement in which the overflow is found. The warning is going
to use the location from some statement being simplified, not from the
operator.
Ian