Reland "Keep a canonical list of shared function infos."

src/full-codegen.cc

 // Copyright 2012 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/ast.h"
 #include "src/ast-numbering.h"
 #include "src/code-factory.h"
 #include "src/codegen.h"
@@ skipping 1370 matching lines @@
   Comment cmnt(masm_, "[ Literal");
   context()->Plug(expr->value());
 }
 
 
 void FullCodeGenerator::VisitFunctionLiteral(FunctionLiteral* expr) {
   Comment cmnt(masm_, "[ FunctionLiteral");
 
   // Build the function boilerplate and instantiate it.
   Handle<SharedFunctionInfo> function_info =
-      Compiler::BuildFunctionInfo(expr, script(), info_);
+      Compiler::GetSharedFunctionInfo(expr, script(), info_);
   if (function_info.is_null()) {
     SetStackOverflow();
     return;
   }
   EmitNewClosure(function_info, expr->pretenure());
 }
 
 
 void FullCodeGenerator::VisitClassLiteral(ClassLiteral* lit) {
   Comment cmnt(masm_, "[ ClassLiteral");
@@ skipping 304 matching lines @@
   codegen_->PrepareForBailoutForId(exit_id_, NO_REGISTERS);
   codegen_->scope_ = saved_scope_;
 }
 
 
 #undef __
 
 
 }  // namespace internal
 }  // namespace v8