[turbofan] Fix exception being re-thrown after finally-block.

src/compiler/control-builders.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "control-builders.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
@@ skipping 161 matching lines @@
 
 void TryCatchBuilder::EndCatch() {
   exit_environment_->Merge(environment());
   set_environment(exit_environment_);
 }
 
 
 void TryFinallyBuilder::BeginTry() {
   finally_environment_ = environment()->CopyAsUnreachable();
   finally_environment_->Push(the_hole());
+  finally_environment_->Push(the_hole());
 }
 
 
-void TryFinallyBuilder::LeaveTry(Node* token) {
+void TryFinallyBuilder::LeaveTry(Node* token, Node* value) {
+  environment()->Push(value);
   environment()->Push(token);
   finally_environment_->Merge(environment());
-  environment()->Pop();
+  environment()->Drop(2);
 }
 
 
-void TryFinallyBuilder::EndTry(Node* fallthrough_token) {
+void TryFinallyBuilder::EndTry(Node* fallthrough_token, Node* value) {
+  environment()->Push(value);
   environment()->Push(fallthrough_token);
   finally_environment_->Merge(environment());
-  environment()->Pop();
+  environment()->Drop(2);
   token_node_ = finally_environment_->Pop();
+  value_node_ = finally_environment_->Pop();
   set_environment(finally_environment_);
 }
 
 
 void TryFinallyBuilder::EndFinally() {
   // Nothing to be done here.
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8