Merge bleeding edge into the GC branch up to 7948. The asserts

src/builtins.cc

Index: src/builtins.cc
===================================================================
--- src/builtins.cc	(revision 7948)
+++ src/builtins.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright 2006-2008 the V8 project authors. All rights reserved.
+// Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
@@ -1034,6 +1034,8 @@
                                 Object** argv,
                                 FunctionTemplateInfo* info) {
   Object* recv = argv[0];
+  // API calls are only supported with JSObject receivers.
+  if (!recv->IsJSObject()) return heap->null_value();
   Object* sig_obj = info->signature();
   if (sig_obj->IsUndefined()) return recv;
   SignatureInfo* sig = SignatureInfo::cast(sig_obj);
@@ -1347,11 +1349,21 @@
 }
 
 
+static void Generate_KeyedLoadIC_Slow(MacroAssembler* masm) {
+  KeyedLoadIC::GenerateRuntimeGetProperty(masm);
+}
+
+
 static void Generate_KeyedLoadIC_Miss(MacroAssembler* masm) {
-  KeyedLoadIC::GenerateMiss(masm);
+  KeyedLoadIC::GenerateMiss(masm, false);
 }
 
 
+static void Generate_KeyedLoadIC_MissForceGeneric(MacroAssembler* masm) {
+  KeyedLoadIC::GenerateMiss(masm, true);
+}
+
+
 static void Generate_KeyedLoadIC_Generic(MacroAssembler* masm) {
   KeyedLoadIC::GenerateGeneric(masm);
 }
@@ -1437,10 +1449,20 @@
 
 
 static void Generate_KeyedStoreIC_Miss(MacroAssembler* masm) {
-  KeyedStoreIC::GenerateMiss(masm);
+  KeyedStoreIC::GenerateMiss(masm, false);
 }
 
 
+static void Generate_KeyedStoreIC_MissForceGeneric(MacroAssembler* masm) {
+  KeyedStoreIC::GenerateMiss(masm, true);
+}
+
+
+static void Generate_KeyedStoreIC_Slow(MacroAssembler* masm) {
+  KeyedStoreIC::GenerateSlow(masm);
+}
+
+
 static void Generate_KeyedStoreIC_Initialize(MacroAssembler* masm) {
   KeyedStoreIC::GenerateInitialize(masm);
 }