[stubs] Add missing interface descriptor for the CompareIC.

src/mips64/interface-descriptors-mips64.cc

Index: src/mips64/interface-descriptors-mips64.cc
diff --git a/src/mips64/interface-descriptors-mips64.cc b/src/mips64/interface-descriptors-mips64.cc
index 8d1b9f29e0e075f8b2d2d4afe8ed528855e3b6b8..b9003af6848187697cf3ef5ef38a29c543400b61 100644
--- a/src/mips64/interface-descriptors-mips64.cc
+++ b/src/mips64/interface-descriptors-mips64.cc
@@ -227,6 +227,12 @@ void InternalArrayConstructorDescriptor::Initialize(
 }
 
 
+void CompareDescriptor::Initialize(CallInterfaceDescriptorData* data) {
+  Register registers[] = {cp, a1, a0};
+  data->Initialize(arraysize(registers), registers, NULL);
+}
+
+
 void CompareNilDescriptor::Initialize(CallInterfaceDescriptorData* data) {
   Register registers[] = {cp, a0};
   data->Initialize(arraysize(registers), registers, NULL);