Fix segmentation fault in CodeMap::Print

src/profile-generator.cc

 // Copyright 2012 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 553 matching lines @@
   CodeTree::Locator locator;
   if (!tree_.Find(from, &locator)) return;
   CodeEntryInfo entry = locator.value();
   tree_.Remove(from);
   AddCode(to, entry.entry, entry.size);
 }
 
 
 void CodeMap::CodeTreePrinter::Call(
     const Address& key, const CodeMap::CodeEntryInfo& value) {
-  OS::Print("%p %5d %s\n", key, value.size, value.entry->name());
+  // For shared function entries, 'size' field is used to store their IDs.
+  if (value.entry == kSharedFunctionCodeEntry) {
+    OS::Print("%p SharedFunctionInfo %d\n", key, value.size);
+  } else {
+    OS::Print("%p %5d %s\n", key, value.size, value.entry->name());
+  }
 }
 
 
 void CodeMap::Print() {
   CodeTreePrinter printer;
   tree_.ForEach(&printer);
 }
 
 
 CpuProfilesCollection::CpuProfilesCollection()
@@ skipping 338 matching lines @@
     if (no_symbolized_entries) {
       *entry++ = EntryForVMState(sample.state);
     }
   }
 
   profiles_->AddPathToCurrentProfiles(entries);
 }
 
 
 } }  // namespace v8::internal