Avoid some crashes when running without snapshots.

src/log.cc

 // 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:
 //
 //     * 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 1344 matching lines @@
 
 
 static int EnumerateCompiledFunctions(Handle<SharedFunctionInfo>* sfis,
                                       Handle<Code>* code_objects) {
   HeapIterator iterator;
   AssertNoAllocation no_alloc;
   int compiled_funcs_count = 0;
 
   // Iterate the heap to find shared function info objects and record
   // the unoptimized code for them.
-  for (HeapObject* obj = iterator.Next(); obj != NULL; obj = iterator.Next()) {
+  for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) {
     if (!obj->IsSharedFunctionInfo()) continue;
     SharedFunctionInfo* sfi = SharedFunctionInfo::cast(obj);
     if (sfi->is_compiled()
         && (!sfi->script()->IsScript()
             || Script::cast(sfi->script())->HasValidSource())) {
       if (sfis != NULL) {
         sfis[compiled_funcs_count] = Handle<SharedFunctionInfo>(sfi);
       }
       if (code_objects != NULL) {
         code_objects[compiled_funcs_count] = Handle<Code>(sfi->code());
@@ skipping 138 matching lines @@
 void Logger::LowLevelLogWriteBytes(const char* bytes, int size) {
   size_t rv = fwrite(bytes, 1, size, log_->ll_output_handle_);
   ASSERT(static_cast<size_t>(size) == rv);
   USE(rv);
 }
 
 
 void Logger::LogCodeObjects() {
   HeapIterator iterator;
   AssertNoAllocation no_alloc;
-  for (HeapObject* obj = iterator.Next(); obj != NULL; obj = iterator.Next()) {
+  for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) {
     if (obj->IsCode()) LogCodeObject(obj);
   }
 }
 
 
 void Logger::LogCompiledFunctions() {
   HandleScope scope;
   const int compiled_funcs_count = EnumerateCompiledFunctions(NULL, NULL);
   ScopedVector< Handle<SharedFunctionInfo> > sfis(compiled_funcs_count);
   ScopedVector< Handle<Code> > code_objects(compiled_funcs_count);
@@ skipping 47 matching lines @@
                   Logger::LAZY_COMPILE_TAG, *code_objects[i],
                   *shared, *func_name));
     }
   }
 }
 
 
 void Logger::LogAccessorCallbacks() {
   HeapIterator iterator;
   AssertNoAllocation no_alloc;
-  for (HeapObject* obj = iterator.Next(); obj != NULL; obj = iterator.Next()) {
+  for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) {
     if (!obj->IsAccessorInfo()) continue;
     AccessorInfo* ai = AccessorInfo::cast(obj);
     if (!ai->name()->IsString()) continue;
     String* name = String::cast(ai->name());
     Address getter_entry = v8::ToCData<Address>(ai->getter());
     if (getter_entry != 0) {
       PROFILE(ISOLATE, GetterCallbackEvent(name, getter_entry));
     }
     Address setter_entry = v8::ToCData<Address>(ai->setter());
     if (setter_entry != 0) {
@@ skipping 157 matching lines @@
 void SamplerRegistry::RemoveActiveSampler(Sampler* sampler) {
   ASSERT(sampler->IsActive());
   ScopedLock lock(mutex_);
   ASSERT(active_samplers_ != NULL);
   bool removed = active_samplers_->RemoveElement(sampler);
   ASSERT(removed);
   USE(removed);
 }
 
 } }  // namespace v8::internal