Prevent crashes from invoking signal handler in ~Isolate (2)

Author: szegedi

bindings/profilers/wall.cc

@@ -1240,6 +1240,10 @@ NAN_METHOD(WallProfiler::Dispose) {
 }
 
 double GetAsyncIdNoGC(v8::Isolate* isolate) {
+  if (!isolate->IsInUse()) {
+    // Must not try to create a handle scope if isolate is not in use.
+    return -1;
+  }
 #if NODE_MAJOR_VERSION >= 24
   HandleScope scope(isolate);
   auto context = isolate->GetEnteredOrMicrotaskContext();