[ast] Remove heap accesses from AST numbering

src/compiler/ast-graph-builder.cc

 // Copyright 2014 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/compiler/ast-graph-builder.h"
 
 #include "src/ast/compile-time-value.h"
 #include "src/ast/scopes.h"
 #include "src/compilation-info.h"
 #include "src/compiler.h"
@@ skipping 1336 matching lines @@
   PrepareFrameState(literal, expr->id(), ast_context()->GetStateCombine());
   ast_context()->ProduceValue(expr, literal);
 }
 
 
 void AstGraphBuilder::VisitObjectLiteral(ObjectLiteral* expr) {
   Node* closure = GetFunctionClosure();
 
   // Create node to deep-copy the literal boilerplate.
   const Operator* op = javascript()->CreateLiteralObject(
-      expr->constant_properties(), expr->ComputeFlags(true),
+      expr->GetOrBuildConstantProperties(isolate()), expr->ComputeFlags(true),
       expr->literal_index(), expr->properties_count());
   Node* literal = NewNode(op, closure);
   PrepareFrameState(literal, expr->CreateLiteralId(),
                     OutputFrameStateCombine::Push());
 
   // The object is expected on the operand stack during computation of the
   // property values and is the value of the entire expression.
   environment()->Push(literal);
 
   // Create nodes to store computed values into the literal.
@@ skipping 108 matching lines @@
     BuildSetHomeObject(environment()->Top(), home_object, property);
   }
 }
 
 
 void AstGraphBuilder::VisitArrayLiteral(ArrayLiteral* expr) {
   Node* closure = GetFunctionClosure();
 
   // Create node to deep-copy the literal boilerplate.
   const Operator* op = javascript()->CreateLiteralArray(
-      expr->constant_elements(), expr->ComputeFlags(true),
+      expr->GetOrBuildConstantElements(isolate()), expr->ComputeFlags(true),
       expr->literal_index(), expr->values()->length());
   Node* literal = NewNode(op, closure);
   PrepareFrameState(literal, expr->CreateLiteralId(),
                     OutputFrameStateCombine::Push());
 
   // The array is expected on the operand stack during computation of the
   // element values.
   environment()->Push(literal);
 
   // Create nodes to evaluate all the non-constant subexpressions and to store
@@ skipping 1669 matching lines @@
     float invocation_frequency, LoopAssignmentAnalysis* loop_assignment,
     SourcePositionTable* source_positions, int inlining_id)
     : AstGraphBuilder(local_zone, info, jsgraph, invocation_frequency,
                       loop_assignment),
       source_positions_(source_positions),
       start_position_(info->shared_info()->start_position(), inlining_id) {}
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8