[inspector] cache stack frame for call sites

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index 4d7a4658f0618ec79a557f74f212ca2250cfd57e..c8d3c2170bde104eb800ab3a7e46a8734531d38a 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -8686,7 +8686,6 @@ bool Isolate::IdleNotificationDeadline(double deadline_in_seconds) {
   return isolate->heap()->IdleNotification(deadline_in_seconds);
 }
 
-
 void Isolate::LowMemoryNotification() {
   i::Isolate* isolate = reinterpret_cast<i::Isolate*>(this);
   {
@@ -8696,6 +8695,15 @@ void Isolate::LowMemoryNotification() {
     isolate->heap()->CollectAllAvailableGarbage(
         i::GarbageCollectionReason::kLowMemoryNotification);
   }
+  {
+    i::HeapIterator iterator(isolate->heap());
+    i::HeapObject* obj;
+    while ((obj = iterator.next()) != nullptr) {
+      if (obj->IsCode() || obj->IsBytecodeArray()) {

[Yang, 2017/04/11 13:09:46]

IsAbstractCode

[kozy, 2017/04/12 15:05:17]

Done.

+        i::AbstractCode::cast(obj)->DropStackFrameCache();
+      }
+    }
+  }
 }