On Mon, 11 Jun 2018, Konstantin Belousov wrote:
On Mon, Jun 11, 2018 at 03:48:52PM +1000, Bruce Evans wrote:
Change TYPE to unsigned char[sizeof(old TYPE)] and use memcpy() to assign
the variables to fix this with small churn and without the pessimizations
in this commit. This gives portable c
On Mon, Jun 11, 2018 at 03:48:52PM +1000, Bruce Evans wrote:
> Change TYPE to unsigned char[sizeof(old TYPE)] and use memcpy() to assign
> the variables to fix this with small churn and without the pessimizations
> in this commit. This gives portable code back to K&R1978 + memcpy(), and
> is as ef
On Sun, 10 Jun 2018, Konstantin Belousov wrote:
Log:
libc qsort(3): stop aliasing.
Qsort swap code aliases the sorted array elements to ints and longs in
order to do swap by machine words. Unfortunately this breaks with the
full code optimization, e.g. LTO.
See https://gcc.gnu.org/bugzil