Revert of [compiler] Drop the CompareNilIC.

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 3625c0363d358c65c665b0a2b1f344e8ce9bc473..51b3d4046adb34d0a26e83767327f387e0f74111 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -4884,6 +4884,7 @@
   V(KEYED_STORE_IC)     \
   V(BINARY_OP_IC)       \
   V(COMPARE_IC)         \
+  V(COMPARE_NIL_IC)     \
   V(TO_BOOLEAN_IC)
 
 #define CODE_KIND_LIST(V) \
@@ -4997,6 +4998,7 @@
   inline bool is_call_stub();
   inline bool is_binary_op_stub();
   inline bool is_compare_ic_stub();
+  inline bool is_compare_nil_ic_stub();
   inline bool is_to_boolean_ic_stub();
   inline bool is_keyed_stub();
   inline bool is_optimized_code();