setContext cleanup

Author: aelovikov-intel

sycl/source/detail/event_impl.cpp

@@ -161,7 +161,7 @@ void event_impl::setContextImpl(context_impl &Context) {
   MContext = Context.shared_from_this();
 }
 void event_impl::setContextImpl(context_impl *Context) {
-  MIsHostEvent = false;
+  MIsHostEvent = Context == nullptr;
   MContext = Context ? Context->shared_from_this() : nullptr;
 }
 

sycl/source/detail/event_impl.hpp

@@ -149,13 +149,11 @@ class event_impl {
 
   /// Associate event with the context.
   ///
-  /// Provided UrContext inside ContextImplPtr must be associated
+  /// Provided UrContext inside Context must be associated
   /// with the UrEvent object stored in this class
-  ///
-  /// @param Context is a shared pointer to an instance of valid context_impl.
+  void setContextImpl(std::shared_ptr<context_impl> &&Context);
   void setContextImpl(context_impl &Context);
   void setContextImpl(context_impl *Context);
-  void setContextImpl(std::shared_ptr<context_impl> &&Context);
 
   /// Clear the event state
   void setStateIncomplete();