Revert of [compiler] Drop the CompareNilIC.

src/arm/interface-descriptors-arm.cc

Index: src/arm/interface-descriptors-arm.cc
diff --git a/src/arm/interface-descriptors-arm.cc b/src/arm/interface-descriptors-arm.cc
index 0adee1387fb243f5397c881c99daf419943b4069..1f55c0bb4b35a1996c68d1b8397690637e3021aa 100644
--- a/src/arm/interface-descriptors-arm.cc
+++ b/src/arm/interface-descriptors-arm.cc
@@ -319,6 +319,13 @@
 }
 
 
+void CompareNilDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {r0};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+
 void ToBooleanDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {r0};