HydrogenCodeStubs consume stack arguments via descriptor.

src/ic/mips/handler-compiler-mips.cc

Index: src/ic/mips/handler-compiler-mips.cc
diff --git a/src/ic/mips/handler-compiler-mips.cc b/src/ic/mips/handler-compiler-mips.cc
index 13ce921b8b8816d18f386fc1aa1eb4806f601ef9..f648c61c2fe93f688a9ca8fea48e9b0201f2cefb 100644
--- a/src/ic/mips/handler-compiler-mips.cc
+++ b/src/ic/mips/handler-compiler-mips.cc
@@ -342,11 +342,17 @@ void NamedStoreHandlerCompiler::GenerateRestoreName(Handle<Name> name) {
 }
 
 
+void NamedStoreHandlerCompiler::GeneratePushMap(Register map_reg,
+                                                Register scratch) {
+  DCHECK(false);  // Not implemented.
+}
+
+
 void NamedStoreHandlerCompiler::GenerateRestoreMap(Handle<Map> transition,
+                                                   Register map_reg,
                                                    Register scratch,
                                                    Label* miss) {
   Handle<WeakCell> cell = Map::WeakCellForMap(transition);
-  Register map_reg = StoreTransitionDescriptor::MapRegister();
   DCHECK(!map_reg.is(scratch));
   __ LoadWeakValue(map_reg, cell, miss);
   if (transition->CanBeDeprecated()) {