Messages in this thread | | | Subject | Re: [PATCH] C undefined behavior fix | From | Momchil Velikov <> | Date | 03 Jan 2002 01:27:42 +0200 |
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>>>>> "Paul" == Paul Mackerras <paulus@samba.org> writes: Paul> As I said in another email, if the gcc maintainers want to change gcc Paul> so that pointer arithmetic can do anything other than an ordinary 2's Paul> complement addition operation,
Nobody changes pointer arithmetic. The problem is that this optimization gives _negative_ length, because the resulting pointer does not point inside or one past the end of the array, which in turn is explicitly mentioned in the standard as undefined behavior.
Paul> ... then we will stop using gcc.
Specifically separated this part to state that I don't even care to comment on this. Doh, I did. Anyway ..
Regards, -velco
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