On Wed, 2020-01-15 at 01:02 +0100, Jakub Jelinek wrote:
> Hi!
>
> The following testcase shows that GCC trunk mishandles DSE of __*_chk
> calls. Tail trimming of the calls is fine, we want to just decrease the
> third argument and keep the first two and last arguments unmodified.
> But for head t
Hi!
The following testcase shows that GCC trunk mishandles DSE of __*_chk
calls. Tail trimming of the calls is fine, we want to just decrease the
third argument and keep the first two and last arguments unmodified.
But for head trimming, we currently increment the two by head_trim and
decrease th
