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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 1830386684a0
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/* Test :: token in gnu99.  */
/* { dg-do preprocess } */
/* { dg-options "-std=gnu99 -pedantic-errors" } */

#define CONCAT(x, y) x ## y

CONCAT (:, :)
CONCAT (::, >) /* { dg-error "does not give a valid preprocessing token" } */