diff --git a/gcc/defaults.h b/gcc/defaults.h
index 8aed0545751..6364216d968 100644
--- a/gcc/defaults.h
+++ b/gcc/defaults.h
@@ -390,7 +390,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 /* Provide defaults for stuff that may not be defined when using
    sjlj exceptions.  */
 #ifndef EH_RETURN_DATA_REGNO
-#define EH_RETURN_DATA_REGNO(N) INVALID_REGNUM
+#define EH_RETURN_DATA_REGNO(N) (void (N), INVALID_REGNUM)
 #endif
 
 /* Offset between the eh handler address and entry in eh tables.  */