[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 350ce1be164e0b2ee885185b5d2dc5afcdf46f58..143799a9285c51e3879302d1448b685820b73d8d 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -8706,7 +8706,6 @@ 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);
   {
@@ -8716,6 +8715,15 @@ void Isolate::LowMemoryNotification() {
     isolate->heap()->CollectAllAvailableGarbage(
         i::GarbageCollectionReason::kLowMemoryNotification);
   }
+  {
+    i::HeapIterator iterator(isolate->heap());
+    i::HeapObject* obj;
+    while ((obj = iterator.next()) != nullptr) {
+      if (obj->IsAbstractCode()) {
+        i::AbstractCode::cast(obj)->DropStackFrameCache();
+      }
+    }
+  }
 }