Reland "Enable map dependency to in-flight compilation info."

src/hydrogen.h

Index: src/hydrogen.h
diff --git a/src/hydrogen.h b/src/hydrogen.h
index ad89e505a3ac48b7cbb3437fde4f4a4d7191701f..160ffef78ab8f5c5693addb5bdf6559578f439f5 100644
--- a/src/hydrogen.h
+++ b/src/hydrogen.h
@@ -402,13 +402,15 @@ class HGraph: public ZoneObject {
   }
 
   void MarkDependsOnEmptyArrayProtoElements() {
+    // Add map dependency if not already added.
+    if (depends_on_empty_array_proto_elements_) return;
+    isolate()->initial_object_prototype()->map()->AddDependentCompilationInfo(
+        DependentCode::kElementsCantBeAddedGroup, info());
+    isolate()->initial_array_prototype()->map()->AddDependentCompilationInfo(
+        DependentCode::kElementsCantBeAddedGroup, info());
     depends_on_empty_array_proto_elements_ = true;
   }
 
-  bool depends_on_empty_array_proto_elements() {
-    return depends_on_empty_array_proto_elements_;
-  }
-
   void RecordUint32Instruction(HInstruction* instr) {
     if (uint32_instructions_ == NULL) {
       uint32_instructions_ = new(zone()) ZoneList<HInstruction*>(4, zone());
@@ -968,6 +970,7 @@ class HGraphBuilder {
   Zone* zone() const { return info_->zone(); }
   HGraph* graph() const { return graph_; }
   Isolate* isolate() const { return graph_->isolate(); }
+  CompilationInfo* top_info() { return info_; }
 
   HGraph* CreateGraph();
 
@@ -1488,7 +1491,7 @@ class HOptimizedGraphBuilder: public HGraphBuilder, public AstVisitor {
   void set_ast_context(AstContext* context) { ast_context_ = context; }
 
   // Accessors forwarded to the function state.
-  CompilationInfo* info() const {
+  CompilationInfo* current_info() const {
     return function_state()->compilation_info();
   }
   AstContext* call_context() const {