Index: src/Concurrency/Keywords.cc
===================================================================
--- src/Concurrency/Keywords.cc	(revision 8edbe407c24c9d794ff7c63d67c463043f96ae3b)
+++ src/Concurrency/Keywords.cc	(revision b984d5470f80f236dfd2f338e0cd3f1267371d1f)
@@ -432,5 +432,5 @@
 				new ObjectDecl(
 					Virtual::concurrentDefaultVTableName(),
-					Type::Const,
+					noStorageClasses,
 					LinkageSpec::Cforall,
 					/* bitfieldWidth */ nullptr,
@@ -504,5 +504,5 @@
 			new ObjectDecl(
 				Virtual::concurrentDefaultVTableName(),
-				Type::Const,
+				Type::StorageClasses( Type::Extern ),
 				LinkageSpec::Cforall,
 				/* bitfieldWidth */ nullptr,