Merge pull request #41213 from apple/compnerd/reflection-sizes

Reflection: adjust type definitions for `ConcurrentHashMap`

Author: compnerd

include/swift/Reflection/RuntimeInternals.h

@@ -49,8 +49,8 @@ template <typename Runtime> struct MetadataCacheNode {
 };
 
 template <typename Runtime> struct ConcurrentHashMap {
-  typename Runtime::StoredSize ReaderCount;
-  typename Runtime::StoredSize ElementCount;
+  uint32_t ReaderCount;
+  uint32_t ElementCount;
   typename Runtime::StoredPointer Elements;
   typename Runtime::StoredPointer Indices;
   // We'll ignore the remaining fields for now....