[Concurrency] Inline AsyncTask::FutureFragment::fragmentSize.

Author: DougGregor

include/swift/ABI/Task.h

@@ -333,7 +333,9 @@ class AsyncTask : public HeapObject, public Job {
 
     /// Determine the size of the future fragment given a particular future
     /// result type.
-    static size_t fragmentSize(const Metadata *resultType);
+    static size_t fragmentSize(const Metadata *resultType) {
+      return storageOffset(resultType) + resultType->vw_size();
+    }
   };
 
   bool isFuture() const { return Flags.task_isFuture(); }

stdlib/public/Concurrency/Task.cpp

@@ -23,10 +23,6 @@
 using namespace swift;
 using FutureFragment = AsyncTask::FutureFragment;
 
-size_t FutureFragment::fragmentSize(const Metadata *resultType) {
-  return storageOffset(resultType) + resultType->vw_size();
-}
-
 void FutureFragment::destroy() {
   auto queueHead = waitQueue.load(std::memory_order_acquire);
   switch (queueHead.getStatus()) {