Store both major and minor key on code stubs.

src/heap-snapshot-generator.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/heap-snapshot-generator-inl.h"
 
 #include "src/allocation-tracker.h"
 #include "src/code-stubs.h"
@@ skipping 1481 matching lines @@
 
 
 void V8HeapExplorer::TagBuiltinCodeObject(Code* code, const char* name) {
   TagObject(code, names_->GetFormatted("(%s builtin)", name));
 }
 
 
 void V8HeapExplorer::TagCodeObject(Code* code) {
   if (code->kind() == Code::STUB) {
     TagObject(code, names_->GetFormatted(
-        "(%s code)", CodeStub::MajorName(
-            static_cast<CodeStub::Major>(code->major_key()), true)));
+                        "(%s code)", CodeStub::MajorName(

[Jakob Kummerow, 2014/07/21 12:23:19]

nit: consider pulling out a temp variable or two to make indentation a bit less
ugly. (But we can also leave it as is if it doesn't bother you; clang-format is
always right.)

+                                         CodeStub::GetMajorKey(code), true)));
   }
 }
 
 
 void V8HeapExplorer::ExtractCodeReferences(int entry, Code* code) {
   TagCodeObject(code);
   TagObject(code->relocation_info(), "(code relocation info)");
   SetInternalReference(code, entry,
                        "relocation_info", code->relocation_info(),
                        Code::kRelocationInfoOffset);
@@ skipping 1670 matching lines @@
   writer_->AddString("\"<dummy>\"");
   for (int i = 1; i < sorted_strings.length(); ++i) {
     writer_->AddCharacter(',');
     SerializeString(sorted_strings[i]);
     if (writer_->aborted()) return;
   }
 }
 
 
 } }  // namespace v8::internal