Index: src/Concurrency/Keywords.cc
===================================================================
--- src/Concurrency/Keywords.cc	(revision 7d51ef867a6e78e1b2b6f9e5456b64a42c555758)
+++ src/Concurrency/Keywords.cc	(revision 67b421c05a280cde8747b61757656154a9f530c9)
@@ -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,