Revert of [compiler] Drop the CompareNilIC.

src/compiler/simplified-operator.cc

Index: src/compiler/simplified-operator.cc
diff --git a/src/compiler/simplified-operator.cc b/src/compiler/simplified-operator.cc
index 04986e92d6426ea52da6d98b5e2a3af54f2a1e86..c7abe9c96ecd3a5d890b7e5999728f7e41cd2c76 100644
--- a/src/compiler/simplified-operator.cc
+++ b/src/compiler/simplified-operator.cc
@@ -155,6 +155,7 @@
          op->opcode() == IrOpcode::kStoreElement);
   return OpParameter<ElementAccess>(op);
 }
+
 
 #define PURE_OP_LIST(V)                                  \
   V(BooleanNot, Operator::kNoProperties, 1)              \
@@ -187,8 +188,7 @@
   V(ChangeBitToBool, Operator::kNoProperties, 1)         \
   V(ObjectIsNumber, Operator::kNoProperties, 1)          \
   V(ObjectIsReceiver, Operator::kNoProperties, 1)        \
-  V(ObjectIsSmi, Operator::kNoProperties, 1)             \
-  V(ObjectIsUndetectable, Operator::kNoProperties, 1)
+  V(ObjectIsSmi, Operator::kNoProperties, 1)
 
 #define NO_THROW_OP_LIST(V)                 \
   V(StringEqual, Operator::kCommutative, 2) \