[Interpreter] Add support for Throw.

src/interpreter/bytecode-generator.cc

Index: src/interpreter/bytecode-generator.cc
diff --git a/src/interpreter/bytecode-generator.cc b/src/interpreter/bytecode-generator.cc
index b051bd9bbb173e4070f6932d525e789f8ae96b97..7526f2a99c5a16ba63551d4d9a5af0cd35b2b0e1 100644
--- a/src/interpreter/bytecode-generator.cc
+++ b/src/interpreter/bytecode-generator.cc
@@ -955,7 +955,11 @@ void BytecodeGenerator::VisitAssignment(Assignment* expr) {
 void BytecodeGenerator::VisitYield(Yield* expr) { UNIMPLEMENTED(); }
 
 
-void BytecodeGenerator::VisitThrow(Throw* expr) { UNIMPLEMENTED(); }
+void BytecodeGenerator::VisitThrow(Throw* expr) {
+  TemporaryRegisterScope temporary_register_scope(builder());
+  Visit(expr->exception());
+  builder()->Throw();
+}
 
 
 void BytecodeGenerator::VisitPropertyLoad(Register obj, Property* expr) {