9939 Need to stop GCC reordering functions

*** 339,354 ****
  # emitted instead of function names
  CCNOAUTOINLINE= \
          -_gcc=-fno-inline-small-functions \
          -_gcc=-fno-inline-functions-called-once \
          -_gcc=-fno-ipa-cp \
-         -_gcc6=-fno-ipa-icf \
          -_gcc7=-fno-ipa-icf \
          -_gcc8=-fno-ipa-icf \
-         -_gcc6=-fno-clone-functions \
          -_gcc7=-fno-clone-functions \
!         -_gcc8=-fno-clone-functions
  
  # One optimization the compiler might perform is to turn this:
  #       #pragma weak foo
  #       extern int foo;
  #       if (&foo)
--- 339,362 ----
  # emitted instead of function names
  CCNOAUTOINLINE= \
          -_gcc=-fno-inline-small-functions \
          -_gcc=-fno-inline-functions-called-once \
          -_gcc=-fno-ipa-cp \
          -_gcc7=-fno-ipa-icf \
          -_gcc8=-fno-ipa-icf \
          -_gcc7=-fno-clone-functions \
!         -_gcc8=-fno-clone-functions \
! 
! # GCC may put functions in different named sub-sections of .text based on
! # their presumed calling frequency.  At least in the kernel, where we actually
! # deliver relocatable objects, we don't want this to happen.
! #
! # Since at present we don't benefit from this even in userland, we disable it globally,
! # but the application of this may move into usr/src/uts/ in future.
! CCNOREORDER=    \
!         -_gcc7=-fno-reorder-functions \
!         -_gcc8=-fno-reorder-functions
  
  # One optimization the compiler might perform is to turn this:
  #       #pragma weak foo
  #       extern int foo;
  #       if (&foo)
*** 564,587 ****
  $(SRCDBGBLD)CSOURCEDEBUGFLAGS   = -g -xs
  $(SRCDBGBLD)CCSOURCEDEBUGFLAGS  = -g -xs
  
  CFLAGS=         $(COPTFLAG) $($(MACH)_CFLAGS) $(SPACEFLAG) $(CCMODE) \
                  $(ILDOFF) $(CERRWARN) $(CSTD) $(CCUNBOUND) $(IROPTFLAG) \
!                 $(CGLOBALSTATIC) $(CCNOAUTOINLINE) $(CSOURCEDEBUGFLAGS) \
!                 $(CUSERFLAGS)
  CFLAGS64=       $(COPTFLAG64) $($(MACH64)_CFLAGS) $(SPACEFLAG64) $(CCMODE64) \
                  $(ILDOFF) $(CERRWARN) $(CSTD) $(CCUNBOUND) $(IROPTFLAG64) \
!                 $(CGLOBALSTATIC) $(CCNOAUTOINLINE) $(CSOURCEDEBUGFLAGS) \
!                 $(CUSERFLAGS64)
  #
  # Flags that are used to build parts of the code that are subsequently
  # run on the build machine (also known as the NATIVE_BUILD).
  #
  NATIVE_CFLAGS=  $(COPTFLAG) $($(NATIVE_MACH)_CFLAGS) $(CCMODE) \
                  $(ILDOFF) $(CERRWARN) $(CSTD) $($(NATIVE_MACH)_CCUNBOUND) \
                  $(IROPTFLAG) $(CGLOBALSTATIC) $(CCNOAUTOINLINE) \
!                 $(CSOURCEDEBUGFLAGS) $(CUSERFLAGS)
  
  DTEXTDOM=-DTEXT_DOMAIN=\"$(TEXT_DOMAIN)\"       # For messaging.
  DTS_ERRNO=-D_TS_ERRNO
  CPPFLAGS.first= # Please keep empty.  Only lower makefiles should set this.
  CPPFLAGS.master=$(DTEXTDOM) $(DTS_ERRNO) \
--- 572,595 ----
  $(SRCDBGBLD)CSOURCEDEBUGFLAGS   = -g -xs
  $(SRCDBGBLD)CCSOURCEDEBUGFLAGS  = -g -xs
  
  CFLAGS=         $(COPTFLAG) $($(MACH)_CFLAGS) $(SPACEFLAG) $(CCMODE) \
                  $(ILDOFF) $(CERRWARN) $(CSTD) $(CCUNBOUND) $(IROPTFLAG) \
!                 $(CGLOBALSTATIC) $(CCNOAUTOINLINE) $(CCNOREORDER) \
!                 $(CSOURCEDEBUGFLAGS) $(CUSERFLAGS)
  CFLAGS64=       $(COPTFLAG64) $($(MACH64)_CFLAGS) $(SPACEFLAG64) $(CCMODE64) \
                  $(ILDOFF) $(CERRWARN) $(CSTD) $(CCUNBOUND) $(IROPTFLAG64) \
!                 $(CGLOBALSTATIC) $(CCNOAUTOINLINE) $(CCNOREORDER) \
!                 $(CSOURCEDEBUGFLAGS) $(CUSERFLAGS64)
  #
  # Flags that are used to build parts of the code that are subsequently
  # run on the build machine (also known as the NATIVE_BUILD).
  #
  NATIVE_CFLAGS=  $(COPTFLAG) $($(NATIVE_MACH)_CFLAGS) $(CCMODE) \
                  $(ILDOFF) $(CERRWARN) $(CSTD) $($(NATIVE_MACH)_CCUNBOUND) \
                  $(IROPTFLAG) $(CGLOBALSTATIC) $(CCNOAUTOINLINE) \
!                 $(CCNOREORDER) $(CSOURCEDEBUGFLAGS) $(CUSERFLAGS)
  
  DTEXTDOM=-DTEXT_DOMAIN=\"$(TEXT_DOMAIN)\"       # For messaging.
  DTS_ERRNO=-D_TS_ERRNO
  CPPFLAGS.first= # Please keep empty.  Only lower makefiles should set this.
  CPPFLAGS.master=$(DTEXTDOM) $(DTS_ERRNO) \