/* Regression test for preprocessor crash. | |
Reported by Mathias Froehlich <frohlich@na.uni-tuebingen.de>. */ | |
/* { dg-do preprocess } */ | |
#define foo | |
#define __CAT__(a,b,c,d) a##b##c##d | |
#define CAT(a,b,c,d) __CAT__(a,b,c,d) | |
#define bar CAT(,foo,bar,) | |
bar |