Merge fix for crbug.com/37853 into the partial snapshots branch.

src/objects.cc

 // Copyright 2006-2009 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:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 2970 matching lines @@
 Object* Map::FindInCodeCache(String* name, Code::Flags flags) {
   // Do a lookup if a code cache exists.
   if (!code_cache()->IsFixedArray()) {
     return CodeCache::cast(code_cache())->Lookup(name, flags);
   } else {
     return Heap::undefined_value();
   }
 }
 
 
-int Map::IndexInCodeCache(String* name, Code* code) {
+int Map::IndexInCodeCache(Object* name, Code* code) {
   // Get the internal index if a code cache exists.
   if (!code_cache()->IsFixedArray()) {
     return CodeCache::cast(code_cache())->GetIndex(name, code);
   }
   return -1;
 }
 
 
 void Map::RemoveFromCodeCache(String* name, Code* code, int index) {
   // No GC is supposed to happen between a call to IndexInCodeCache and
@@ skipping 124 matching lines @@
 Object* CodeCache::LookupNormalTypeCache(String* name, Code::Flags flags) {
   if (!normal_type_cache()->IsUndefined()) {
     CodeCacheHashTable* cache = CodeCacheHashTable::cast(normal_type_cache());
     return cache->Lookup(name, flags);
   } else {
     return Heap::undefined_value();
   }
 }
 
 
-int CodeCache::GetIndex(String* name, Code* code) {
-  // This is not used for normal load/store/call IC's.
+int CodeCache::GetIndex(Object* name, Code* code) {
   if (code->type() == NORMAL) {
     if (normal_type_cache()->IsUndefined()) return -1;
     CodeCacheHashTable* cache = CodeCacheHashTable::cast(normal_type_cache());
-    return cache->GetIndex(name, code->flags());
+    return cache->GetIndex(String::cast(name), code->flags());
   }
 
   FixedArray* array = default_cache();
   int len = array->length();
   for (int i = 0; i < len; i += kCodeCacheEntrySize) {
     if (array->get(i + kCodeCacheEntryCodeOffset) == code) return i + 1;
   }
   return -1;
 }
 
 
-void CodeCache::RemoveByIndex(String* name, Code* code, int index) {
+void CodeCache::RemoveByIndex(Object* name, Code* code, int index) {
   if (code->type() == NORMAL) {
     ASSERT(!normal_type_cache()->IsUndefined());
     CodeCacheHashTable* cache = CodeCacheHashTable::cast(normal_type_cache());
-    ASSERT(cache->GetIndex(name, code->flags()) == index);
+    ASSERT(cache->GetIndex(String::cast(name), code->flags()) == index);
     cache->RemoveByIndex(index);
   } else {
     FixedArray* array = default_cache();
     ASSERT(array->length() >= index && array->get(index)->IsCode());
     // Use null instead of undefined for deleted elements to distinguish
     // deleted elements from unused elements.  This distinction is used
     // when looking up in the cache and when updating the cache.
     ASSERT_EQ(1, kCodeCacheEntryCodeOffset - kCodeCacheEntryNameOffset);
     array->set_null(index - 1);  // Name.
     array->set_null(index);  // Code.
@@ skipping 5345 matching lines @@
   if (break_point_objects()->IsUndefined()) return 0;
   // Single beak point.
   if (!break_point_objects()->IsFixedArray()) return 1;
   // Multiple break points.
   return FixedArray::cast(break_point_objects())->length();
 }
 #endif
 
 
 } }  // namespace v8::internal