Valgrind 3.23.0-RC1

Valgrind 3.23.0-RC1. Please help test.

FreeBSD arm64 support. --track-fds=yes now warns against double close, generates (suppressible) errors and supports XML output. s390x supports more z16 instructions. More accurate x86_64-v3 instruction support. Wrappers for wcpncpy, memccpy, strlcat and strlcpy. Support Linux syscalls mlock2, fchmodat2, pidfd_getfd. And much more. 50+ bug fixes, 280+ commits by 14 developers since 3.22.0.

Fedora rawhide binary packages are available for aarch64, i686, ppc64le, s390x and s390x.