[ast] Remove heap accesses from AST numbering

src/crankshaft/hydrogen.cc

Index: src/crankshaft/hydrogen.cc
diff --git a/src/crankshaft/hydrogen.cc b/src/crankshaft/hydrogen.cc
index 8f21f3ceb86e29d6bdfaa55545c4065928f92262..2647b73fccf1b1b3575938511eba1a710576002f 100644
--- a/src/crankshaft/hydrogen.cc
+++ b/src/crankshaft/hydrogen.cc
@@ -5450,7 +5450,8 @@ void HOptimizedGraphBuilder::VisitObjectLiteral(ObjectLiteral* expr) {
     site_context.ExitScope(site, boilerplate);
   } else {
     NoObservableSideEffectsScope no_effects(this);
-    Handle<FixedArray> constant_properties = expr->constant_properties();
+    Handle<FixedArray> constant_properties =
+        expr->GetOrBuildConstantProperties(isolate());
     int literal_index = expr->literal_index();
     int flags = expr->ComputeFlags(true);
 
@@ -5573,7 +5574,8 @@ void HOptimizedGraphBuilder::VisitArrayLiteral(ArrayLiteral* expr) {
     site_context.ExitScope(site, boilerplate_object);
   } else {
     NoObservableSideEffectsScope no_effects(this);
-    Handle<ConstantElementsPair> constants = expr->constant_elements();
+    Handle<ConstantElementsPair> constants =
+        expr->GetOrBuildConstantElements(isolate());
     int literal_index = expr->literal_index();
     int flags = expr->ComputeFlags(true);