[Interpreter] Add support for for..in.

src/interpreter/bytecodes.h

Index: src/interpreter/bytecodes.h
diff --git a/src/interpreter/bytecodes.h b/src/interpreter/bytecodes.h
index f21f17c0da49ccd646e75aed5fc1f492e7209410..baf7550c048f412465336bef7be3d337338df381 100644
--- a/src/interpreter/bytecodes.h
+++ b/src/interpreter/bytecodes.h
@@ -118,6 +118,7 @@ namespace interpreter {
   V(ToBoolean, OperandType::kNone)                                             \
   V(ToName, OperandType::kNone)                                                \
   V(ToNumber, OperandType::kNone)                                              \
+  V(ToObject, OperandType::kNone)                                              \
                                                                                \
   /* Literals */                                                               \
   V(CreateRegExpLiteral, OperandType::kIdx8, OperandType::kReg8)               \
@@ -142,6 +143,17 @@ namespace interpreter {
   V(JumpIfToBooleanTrueConstant, OperandType::kIdx8)                           \
   V(JumpIfToBooleanFalse, OperandType::kImm8)                                  \
   V(JumpIfToBooleanFalseConstant, OperandType::kIdx8)                          \
+  V(JumpIfNull, OperandType::kImm8)                                            \
+  V(JumpIfNullConstant, OperandType::kIdx8)                                    \
+  V(JumpIfUndefined, OperandType::kImm8)                                       \
+  V(JumpIfUndefinedConstant, OperandType::kIdx8)                               \
+                                                                               \
+  /* Complex flow control For..in */                                           \
+  V(ForInPrepare, OperandType::kReg8)                                          \
+  V(ForInNext, OperandType::kReg8, OperandType::kReg8)                         \
+  V(ForInDone, OperandType::kReg8)                                             \
+                                                                               \
+  /* Non-local flow control */                                                 \
   V(Throw, OperandType::kNone)                                                 \
   V(Return, OperandType::kNone)