1 /* Test :: token in gnu11.  */
2 /* { dg-do preprocess } */
3 /* { dg-options "-std=gnu11 -pedantic-errors" } */
4 
5 #define CONCAT(x, y) x ## y
6 
7 CONCAT (:, :)
8 CONCAT (::, >) /* { dg-error "does not give a valid preprocessing token" } */
9