1 files changed, 30 insertions, 2 deletions
diff --git a/deps/v8/src/compiler/js-heap-broker.h b/deps/v8/src/compiler/js-heap-broker.h
index 8c2622bf48..c9667a2fed 100644
--- a/deps/v8/src/compiler/js-heap-broker.h
+++ b/deps/v8/src/compiler/js-heap-broker.h
@@ -34,6 +34,12 @@ std::ostream& operator<<(std::ostream& os, const ObjectRef& ref);
       broker->Trace() << x << '\n';                                  \
   } while (false)
 
+#define TRACE_BROKER_MEMORY(broker, x)                              \
+  do {                                                              \
+    if (broker->tracing_enabled() && FLAG_trace_heap_broker_memory) \
+      broker->Trace() << x << std::endl;                            \
+  } while (false)
+
 #define TRACE_BROKER_MISSING(broker, x)                             \
   do {                                                              \
     if (broker->tracing_enabled())                                  \
@@ -86,6 +92,10 @@ class V8_EXPORT_PRIVATE JSHeapBroker {
   void Retire();
   bool SerializingAllowed() const;
 
+#ifdef DEBUG
+  void PrintRefsAnalysis() const;
+#endif  // DEBUG
+
   // Returns nullptr iff handle unknown.
   ObjectData* GetData(Handle<Object>) const;
   // Never returns nullptr.
@@ -125,6 +135,12 @@ class V8_EXPORT_PRIVATE JSHeapBroker {
       FeedbackSource const& source);
   ProcessedFeedback const& GetFeedbackForInstanceOf(
       FeedbackSource const& source);
+  ProcessedFeedback const& GetFeedbackForArrayOrObjectLiteral(
+      FeedbackSource const& source);
+  ProcessedFeedback const& GetFeedbackForRegExpLiteral(
+      FeedbackSource const& source);
+  ProcessedFeedback const& GetFeedbackForTemplateObject(
+      FeedbackSource const& source);
   ProcessedFeedback const& GetFeedbackForPropertyAccess(
       FeedbackSource const& source, AccessMode mode,
       base::Optional<NameRef> static_name);
@@ -143,6 +159,12 @@ class V8_EXPORT_PRIVATE JSHeapBroker {
   ProcessedFeedback const& ProcessFeedbackForPropertyAccess(
       FeedbackSource const& source, AccessMode mode,
       base::Optional<NameRef> static_name);
+  ProcessedFeedback const& ProcessFeedbackForArrayOrObjectLiteral(
+      FeedbackSource const& source);
+  ProcessedFeedback const& ProcessFeedbackForRegExpLiteral(
+      FeedbackSource const& source);
+  ProcessedFeedback const& ProcessFeedbackForTemplateObject(
+      FeedbackSource const& source);
 
   bool FeedbackIsInsufficient(FeedbackSource const& source) const;
 
@@ -157,7 +179,7 @@ class V8_EXPORT_PRIVATE JSHeapBroker {
 
   StringRef GetTypedArrayStringTag(ElementsKind kind);
 
-  std::ostream& Trace();
+  std::ostream& Trace() const;
   void IncrementTracingIndentation();
   void DecrementTracingIndentation();
 
@@ -182,6 +204,12 @@ class V8_EXPORT_PRIVATE JSHeapBroker {
   ProcessedFeedback const& ReadFeedbackForPropertyAccess(
       FeedbackSource const& source, AccessMode mode,
       base::Optional<NameRef> static_name);
+  ProcessedFeedback const& ReadFeedbackForArrayOrObjectLiteral(
+      FeedbackSource const& source);
+  ProcessedFeedback const& ReadFeedbackForRegExpLiteral(
+      FeedbackSource const& source);
+  ProcessedFeedback const& ReadFeedbackForTemplateObject(
+      FeedbackSource const& source);
 
   void InitializeRefsMap();
   void CollectArrayAndObjectPrototypes();
@@ -199,7 +227,7 @@ class V8_EXPORT_PRIVATE JSHeapBroker {
       array_and_object_prototypes_;
   BrokerMode mode_ = kDisabled;
   bool const tracing_enabled_;
-  StdoutStream trace_out_;
+  mutable StdoutStream trace_out_;
   unsigned trace_indentation_ = 0;
   PerIsolateCompilerCache* compiler_cache_ = nullptr;
   ZoneUnorderedMap<FeedbackSource, ProcessedFeedback const*,