Re: Potentially false-positive -Wstringop-overflow= warning with gcc >= 11.1

[Segher Boessenkool <segher@xxxxxxxxxxxxxxxxxxx>]

On Fri, Jan 28, 2022 at 04:01:36PM +0100, Dumitru Ceara via Gcc-help wrote:
>     void *l4data = p.l4_ofs != UINT16_MAX ? (char *) p.base_ + p.l4_ofs : NULL;
>     struct hdr2 *h2 = l4data;
> 
>     memcpy(h2 + 1, &somedata[0], 6);

l4data can be 0, and everything false apart from there on.


Segher