11972 resync smatch

*** 20,30 ****
  #
  #
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
! # Copyright (c) 2018, Joyent, Inc.
  
  #
  #       Path to the base of the uts directory tree (usually /usr/src/uts).
  #
  UTSBASE = ../..
--- 20,30 ----
  #
  #
  # Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  # Use is subject to license terms.
  #
! # Copyright 2019 Joyent, Inc.
  
  #
  #       Path to the base of the uts directory tree (usually /usr/src/uts).
  #
  UTSBASE = ../..
*** 65,79 ****
  CERRWARN        += -_gcc=-Wno-switch
  CERRWARN        += -_gcc=-Wno-unused-variable
  
  # needs work
  SMOFF += all_func_returns
- $(OBJS_DIR)/mac.o := SMOFF += deref_check
  $(OBJS_DIR)/mac_util.o := SMOFF += signed
  
- # false positive
- $(OBJS_DIR)/mac_sched.o := SMOFF += assign_vs_compare
  #
  #       Default build targets.
  #
  .KEEP_STATE:
  
--- 65,76 ----