[interpreter] Add ReThrow bytecode for try-finally support.

src/interpreter/bytecode-array-builder.cc

 // Copyright 2015 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 "src/interpreter/bytecode-array-builder.h"
 
 namespace v8 {
 namespace internal {
 namespace interpreter {
 
@@ skipping 942 matching lines @@
 }
 
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::Throw() {
   Output(Bytecode::kThrow);
   exit_seen_in_block_ = true;
   return *this;
 }
 
 
+BytecodeArrayBuilder& BytecodeArrayBuilder::ReThrow() {
+  Output(Bytecode::kReThrow);
+  exit_seen_in_block_ = true;
+  return *this;
+}
+
+
 BytecodeArrayBuilder& BytecodeArrayBuilder::Return() {
   Output(Bytecode::kReturn);
   exit_seen_in_block_ = true;
   return *this;
 }
 
 
 BytecodeArrayBuilder& BytecodeArrayBuilder::ForInPrepare(
     Register cache_info_triple) {
   if (FitsInReg8Operand(cache_info_triple)) {
@@ skipping 705 matching lines @@
 
 
 // static
 bool BytecodeArrayBuilder::FitsInReg16Operand(Register value) {
   return kMinInt16 <= value.index() && value.index() <= kMaxInt16;
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8