30   then_environment_->Merge(environment());  in End()
43   continue_environment_->Merge(environment());  in Continue()
49   break_environment_->Merge(environment());  in Break()
55   continue_environment_->Merge(environment());  in EndBody()
61   loop_environment_->Merge(environment());  in EndLoop()
115   environment()->Merge(body_environment_);  in BeginCase()
120   break_environment_->Merge(environment());  in Break()
129   break_environment_->Merge(label_environment_);  in EndSwitch()
130   break_environment_->Merge(environment());  in EndSwitch()
141   break_environment_->Merge(environment());  in Break()
167   break_environment_->Merge(environment());  in EndBlock()
181   catch_environment_->Merge(environment());  in Throw()
188   exit_environment_->Merge(environment());  in EndTry()
195   exit_environment_->Merge(environment());  in EndCatch()
210   finally_environment_->Merge(environment());  in LeaveTry()
218   finally_environment_->Merge(environment());  in EndTry()