[Interpreter] Adds support for throw to bytecode graph builder.

src/compiler/bytecode-graph-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/compiler/bytecode-graph-builder.h"
 
 #include "src/compiler/linkage.h"
 #include "src/compiler/operator-properties.h"
 #include "src/interpreter/bytecode-array-iterator.h"
 
@@ skipping 798 matching lines @@
   const Operator* call = javascript()->CallConstruct(
       static_cast<int>(arg_count) + 2, VectorSlotPair());
   Node* value = ProcessCallNewArguments(call, callee, first_arg, arg_count + 2);
   AddEmptyFrameStateInputs(value);
   environment()->BindAccumulator(value);
 }
 
 
 void BytecodeGraphBuilder::VisitThrow(
     const interpreter::BytecodeArrayIterator& iterator) {
-  UNIMPLEMENTED();
+  Node* value = environment()->LookupAccumulator();
+  // TODO(mythria): Change to Runtime::kThrow when we have deoptimization
+  // information support in the interpreter.
+  NewNode(javascript()->CallRuntime(Runtime::kReThrow, 1), value);
+  Node* control = NewNode(common()->Throw(), value);
+  UpdateControlDependencyToLeaveFunction(control);
+  environment()->BindAccumulator(value);
 }
 
 
 void BytecodeGraphBuilder::BuildBinaryOp(
     const Operator* js_op, const interpreter::BytecodeArrayIterator& iterator) {
   Node* left = environment()->LookupRegister(iterator.GetRegisterOperand(0));
   Node* right = environment()->LookupAccumulator();
   Node* node = NewNode(js_op, left, right);
 
   AddEmptyFrameStateInputs(node);
@@ skipping 422 matching lines @@
 
 void BytecodeGraphBuilder::UpdateControlDependencyToLeaveFunction(Node* exit) {
   if (environment()->IsMarkedAsUnreachable()) return;
   environment()->MarkAsUnreachable();
   exit_controls_.push_back(exit);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8