Add missing negative dictionary lookup to NonexistentHandlerFrontend

src/arm/stub-cache-arm.cc

Index: src/arm/stub-cache-arm.cc
diff --git a/src/arm/stub-cache-arm.cc b/src/arm/stub-cache-arm.cc
index 004e067c82573d8516bb298ec28e4dd7284cbe43..afb65a050703c7c747bced9485036391d44fccf4 100644
--- a/src/arm/stub-cache-arm.cc
+++ b/src/arm/stub-cache-arm.cc
@@ -121,18 +121,14 @@ static void ProbeTable(Isolate* isolate,
 }
 
 
-// Helper function used to check that the dictionary doesn't contain
-// the property. This function may return false negatives, so miss_label
-// must always call a backup property check that is complete.
-// This function is safe to call if the receiver has fast properties.
-// Name must be unique and receiver must be a heap object.
-static void GenerateDictionaryNegativeLookup(MacroAssembler* masm,
-                                             Label* miss_label,
-                                             Register receiver,
-                                             Handle<Name> name,
-                                             Register scratch0,
-                                             Register scratch1) {
+void StubCompiler::GenerateDictionaryNegativeLookup(MacroAssembler* masm,
+                                                    Label* miss_label,
+                                                    Register receiver,
+                                                    Handle<Name> name,
+                                                    Register scratch0,
+                                                    Register scratch1) {
   ASSERT(name->IsUniqueName());
+  ASSERT(!receiver.is(scratch0));
   Counters* counters = masm->isolate()->counters();
   __ IncrementCounter(counters->negative_lookups(), 1, scratch0, scratch1);
   __ IncrementCounter(counters->negative_lookups_miss(), 1, scratch0, scratch1);
@@ -418,11 +414,11 @@ void StubCompiler::GenerateLoadFunctionPrototype(MacroAssembler* masm,
 // Generate code to check that a global property cell is empty. Create
 // the property cell at compilation time if no cell exists for the
 // property.
-static void GenerateCheckPropertyCell(MacroAssembler* masm,
-                                      Handle<GlobalObject> global,
-                                      Handle<Name> name,
-                                      Register scratch,
-                                      Label* miss) {
+void StubCompiler::GenerateCheckPropertyCell(MacroAssembler* masm,
+                                             Handle<GlobalObject> global,
+                                             Handle<Name> name,
+                                             Register scratch,
+                                             Label* miss) {
   Handle<Cell> cell = GlobalObject::EnsurePropertyCell(global, name);
   ASSERT(cell->value()->IsTheHole());
   __ mov(scratch, Operand(cell));
@@ -1156,14 +1152,12 @@ class CallInterceptorCompiler BASE_EMBEDDED {
 };
 
 
-// Calls GenerateCheckPropertyCell for each global object in the prototype chain
-// from object to (but not including) holder.
-static void GenerateCheckPropertyCells(MacroAssembler* masm,
-                                       Handle<JSObject> object,
-                                       Handle<JSObject> holder,
-                                       Handle<Name> name,
-                                       Register scratch,
-                                       Label* miss) {
+void StubCompiler::GenerateCheckPropertyCells(MacroAssembler* masm,
+                                              Handle<JSObject> object,
+                                              Handle<JSObject> holder,
+                                              Handle<Name> name,
+                                              Register scratch,
+                                              Label* miss) {
   Handle<JSObject> current = object;
   while (!current.is_identical_to(holder)) {
     if (current->IsGlobalObject()) {
@@ -1373,26 +1367,6 @@ Register LoadStubCompiler::CallbackHandlerFrontend(
 }
 
 
-void LoadStubCompiler::NonexistentHandlerFrontend(
-    Handle<JSObject> object,
-    Handle<JSObject> last,
-    Handle<Name> name,
-    Label* success,
-    Handle<GlobalObject> global) {
-  Label miss;
-
-  HandlerFrontendHeader(object, receiver(), last, name, &miss);
-
-  // If the last object in the prototype chain is a global object,
-  // check that the global property cell is empty.
-  if (!global.is_null()) {
-    GenerateCheckPropertyCell(masm(), global, name, scratch2(), &miss);
-  }
-
-  HandlerFrontendFooter(name, success, &miss);
-}
-
-
 void LoadStubCompiler::GenerateLoadField(Register reg,
                                          Handle<JSObject> holder,
                                          PropertyIndex field,