Index: src/Concurrency/Keywords.cc
===================================================================
--- src/Concurrency/Keywords.cc	(revision 4a8f15041541ed05d71e64f45bf5cca3616efdcb)
+++ src/Concurrency/Keywords.cc	(revision a25f64b124b1e5dda19b4c40f32905be1b14b4e6)
@@ -405,4 +405,6 @@
 			dtor_decl = decl;
 		else if ( vtable_name.empty() )
+			;
+		else if( !decl->has_body() )
 			;
 		else if ( auto param = isMainFor( decl, cast_target ) ) {