* compile.c (rb_iseq_compile_node): put start label of block after
  trace (b_call).
  [Bug #9964]
* test/ruby/test_settracefunc.rb: add a test.
  added assert_consistent_call_return() method check call/return
  consistency.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46471 b2dd03c8-39d4-4d8f-98ff-823fe69b080e