7085 add support for "if" and "else" statements in dtrace

*** 109,118 ****
--- 109,119 ----
  dir path=opt/SUNWdtrt/tst/common/stackdepth
  dir path=opt/SUNWdtrt/tst/common/stop
  dir path=opt/SUNWdtrt/tst/common/strlen
  dir path=opt/SUNWdtrt/tst/common/strtoll
  dir path=opt/SUNWdtrt/tst/common/struct
+ dir path=opt/SUNWdtrt/tst/common/sugar
  dir path=opt/SUNWdtrt/tst/common/syscall
  dir path=opt/SUNWdtrt/tst/common/sysevent
  dir path=opt/SUNWdtrt/tst/common/tick-n
  dir path=opt/SUNWdtrt/tst/common/trace
  dir path=opt/SUNWdtrt/tst/common/tracemem
*** 1813,1822 ****
--- 1814,1830 ----
  file path=opt/SUNWdtrt/tst/common/struct/tst.StructAssoc.d mode=0444
  file path=opt/SUNWdtrt/tst/common/struct/tst.StructDataTypes.d mode=0444
  file path=opt/SUNWdtrt/tst/common/struct/tst.StructInside.d mode=0444
  file path=opt/SUNWdtrt/tst/common/struct/tst.clauselocal.d mode=0444
  file path=opt/SUNWdtrt/tst/common/struct/tst.clauselocal.d.out mode=0444
+ file path=opt/SUNWdtrt/tst/common/sugar/tst.else.d mode=0444
+ file path=opt/SUNWdtrt/tst/common/sugar/tst.if.d mode=0444
+ file path=opt/SUNWdtrt/tst/common/sugar/tst.if2.d mode=0444
+ file path=opt/SUNWdtrt/tst/common/sugar/tst.if_before_after.d mode=0444
+ file path=opt/SUNWdtrt/tst/common/sugar/tst.if_nested.d mode=0444
+ file path=opt/SUNWdtrt/tst/common/sugar/tst.if_trailing_semicolon.d mode=0444
+ file path=opt/SUNWdtrt/tst/common/sugar/tst.if_trailing_semicolon2.d mode=0444
  file path=opt/SUNWdtrt/tst/common/syscall/tst.args.d mode=0444
  file path=opt/SUNWdtrt/tst/common/syscall/tst.args.exe mode=0555
  file path=opt/SUNWdtrt/tst/common/syscall/tst.openret.ksh mode=0444
  file path=opt/SUNWdtrt/tst/common/sysevent/tst.post.d mode=0444
  file path=opt/SUNWdtrt/tst/common/sysevent/tst.post.exe mode=0555