[Interpreter] Add support for Throw.

test/unittests/interpreter/bytecode-array-builder-unittest.cc

Index: test/unittests/interpreter/bytecode-array-builder-unittest.cc
diff --git a/test/unittests/interpreter/bytecode-array-builder-unittest.cc b/test/unittests/interpreter/bytecode-array-builder-unittest.cc
index 2654923b55afa73ad1e39a136d2c37edd79dc507..a619fa39f4e817f71152824b49e8388f45a12a03 100644
--- a/test/unittests/interpreter/bytecode-array-builder-unittest.cc
+++ b/test/unittests/interpreter/bytecode-array-builder-unittest.cc
@@ -134,6 +134,11 @@ TEST_F(BytecodeArrayBuilderTest, AllBytecodesGenerated) {
       .JumpIfFalse(&start)
       .JumpIfToBooleanTrue(&start)
       .JumpIfToBooleanFalse(&start);
+
+  builder.EnterBlock()
+      .Throw()
+      .LeaveBlock();
+
   builder.Return();
 
   // Generate BytecodeArray.