Changes since version 2.2-dev9 :

Ilya Shipitsin (1):
      CI: travis-ci: use "-O1" for clang builds

Tim Duesterhus (6):
      BUILD: Remove nowarn for warnings that do not trigger
      BUILD: Re-enable -Wimplicit-fallthrough
      BUG/MEDIUM: checks: Fix off-by-one in allocation of SMTP greeting cmd
      MINOR: haproxy: Add void deinit_and_exit(int)
      MINOR: haproxy: Make use of deinit_and_exit() for clean exits
      BUG/MINOR: haproxy: Free rule->arg.vars.expr during deinit_act_rules

William Lallemand (1):
      BUG/MINOR: ssl: fix ssl-{min,max}-ver with openssl < 1.1.0

Willy Tarreau (7):
      BUILD: include: add sys/types before netinet/tcp.h
      BUG/MEDIUM: log: don't hold the log lock during writev() on a file descriptor
      BUG/MEDIUM: pattern: fix thread safety of pattern matching
      BUILD: thread: add parenthesis around values of locking macros
      BUILD: proto_uxst: shut up yet another gcc's absurd warning
      BUILD: compression: make gcc 10 happy with free_zlib()
      BUILD: atomic: add string.h for memcpy() on ARM64