Merge pull request #37782 from compnerd/qualified-friendship

Concurrency: silence some `-Wmicrosoft-extension` warnings (NFC)

Author: compnerd

stdlib/public/Concurrency/AsyncLet.cpp

@@ -44,7 +44,7 @@ class AsyncLetImpl: public ChildTaskStatusRecord {
   // TODO: more additional flags here, we can use them for future optimizations.
   //       e.g. "was awaited on" or "needs free"
 
-  friend class AsyncTask;
+  friend class ::swift::AsyncTask;
 
 public:
   explicit AsyncLetImpl(AsyncTask* task)

stdlib/public/Concurrency/TaskGroup.cpp

@@ -292,7 +292,7 @@ class TaskGroupImpl: public TaskGroupTaskStatusRecord {
   /// or `nullptr` if no task is currently waiting.
   std::atomic<AsyncTask *> waitQueue;
 
-  friend class AsyncTask;
+  friend class ::swift::AsyncTask;
 
 public:
   explicit TaskGroupImpl()