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

src/ast.h

 // 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.
 
 #ifndef V8_AST_H_
 #define V8_AST_H_
 
 #include "src/v8.h"
 
 #include "src/assembler.h"
@@ skipping 2494 matching lines @@
 
   static bool NeedsHomeObject(Expression* expr);
 
   int materialized_literal_count() { return materialized_literal_count_; }
   int expected_property_count() { return expected_property_count_; }
   int parameter_count() { return parameter_count_; }
 
   bool AllowsLazyCompilation();
   bool AllowsLazyCompilationWithoutContext();
 
+  void InitializeSharedInfo(Handle<Code> code);
+
   Handle<String> debug_name() const {
     if (raw_name_ != NULL && !raw_name_->IsEmpty()) {
       return raw_name_->string();
     }
     return inferred_name();
   }
 
   Handle<String> inferred_name() const {
     if (!inferred_name_.is_null()) {
       DCHECK(raw_inferred_name_ == NULL);
@@ skipping 14 matching lines @@
     raw_inferred_name_ = NULL;
   }
 
   void set_raw_inferred_name(const AstString* raw_inferred_name) {
     DCHECK(raw_inferred_name != NULL);
     raw_inferred_name_ = raw_inferred_name;
     DCHECK(inferred_name_.is_null());
     inferred_name_ = Handle<String>();
   }
 
+  // shared_info may be null if it's not cached in full code.
+  Handle<SharedFunctionInfo> shared_info() { return shared_info_; }
+
   bool pretenure() { return Pretenure::decode(bitfield_); }
   void set_pretenure() { bitfield_ |= Pretenure::encode(true); }
 
   bool has_duplicate_parameters() {
     return HasDuplicateParameters::decode(bitfield_);
   }
 
   bool is_function() { return IsFunction::decode(bitfield_) == kIsFunction; }
 
   // This is used as a heuristic on when to eagerly compile a function
@@ skipping 61 matching lines @@
                 IsFunction::encode(is_function) |
                 EagerCompileHintBit::encode(eager_compile_hint) |
                 FunctionKindBits::encode(kind) |
                 ShouldBeUsedOnceHintBit::encode(kDontKnowIfShouldBeUsedOnce);
     DCHECK(IsValidFunctionKind(kind));
   }
 
  private:
   const AstRawString* raw_name_;
   Handle<String> name_;
+  Handle<SharedFunctionInfo> shared_info_;
   Scope* scope_;
   ZoneList<Statement*>* body_;
   const AstString* raw_inferred_name_;
   Handle<String> inferred_name_;
   AstProperties ast_properties_;
   BailoutReason dont_optimize_reason_;
 
   int materialized_literal_count_;
   int expected_property_count_;
   int parameter_count_;
@@ skipping 958 matching lines @@
 
  private:
   Zone* zone_;
   AstValueFactory* ast_value_factory_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_AST_H_