[stubs] Add missing interface descriptor for the CompareIC.

src/mips/interface-descriptors-mips.cc

Index: src/mips/interface-descriptors-mips.cc
diff --git a/src/mips/interface-descriptors-mips.cc b/src/mips/interface-descriptors-mips.cc
index b8cae81e0dd23ac9d1c44ddea70fcc86299ba037..ec6c63f83331b6d24113df69dde813ab4e0d986b 100644
--- a/src/mips/interface-descriptors-mips.cc
+++ b/src/mips/interface-descriptors-mips.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);