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

src/compiler/bytecode-graph-builder.cc

Index: src/compiler/bytecode-graph-builder.cc
diff --git a/src/compiler/bytecode-graph-builder.cc b/src/compiler/bytecode-graph-builder.cc
index 47a22df239854b4ef2568736d4c8bcaa87a2a32a..bb8e09ed8c7b0c0941aeae9481605f2eae58904f 100644
--- a/src/compiler/bytecode-graph-builder.cc
+++ b/src/compiler/bytecode-graph-builder.cc
@@ -816,7 +816,13 @@ void BytecodeGraphBuilder::VisitNew(
 
 void BytecodeGraphBuilder::VisitThrow(
     const interpreter::BytecodeArrayIterator& iterator) {
-  UNIMPLEMENTED();
+  Node* value = environment()->LookupAccumulator();
+  // TODO(mythria): Change it Runtime::kThrow when we have deoptimization

[oth, 2015/11/30 10:01:11]

nit s/it/to/

[mythria, 2015/11/30 10:35:07]

Done.

+  // information support in the interpreter.
+  NewNode(javascript()->CallRuntime(Runtime::kReThrow, 1), value);
+  Node* control = NewNode(common()->Throw(), value);
+  UpdateControlDependencyToLeaveFunction(control);
+  environment()->BindAccumulator(value);
 }